I have the same problem with my scrotum when I play the cello.
I’ve felt that way since long before Bibliophage wrote that entry, Sage Rat.
And see Tyrrell’s book Amazons on the topic:
Snerk. “Mamazon.”
Have you thought about holding it in a classical style?
It sounds like you are holding it like most guitar players — on your right leg, pressed up against your right side. There is an alternative that you usually see in classical style guitar playing. Hold it on your left leg like the pictures in my link.
Apologies if anyone mentioned this yet - I read the thread but didn’t see anything.
ETA: And, as an aside, despite what my link seems to suggest, you CAN hold the guitar on your left leg without needing a foot rest.
Yeah, I posted my advice knowing full well that the legend doesn’t really hold up.
It’s OK. I knew ya wasn’t serious.
Well there’s a perfectly good metronome going to waste.
The way I hold it now, it’s on my right leg, but it’s pretty much flat across the front of me. I will try it the way in the picture.
As for the many people offering advice on buying a new guitar, you can stop now. It isn’t happening anytime soon. I’m a full time student and a single parent. I don’t have a job. I certainly can’t afford to spend money on something like a new guitar. Not for many years to come, anyway. My guitar cost $70 about 8 years ago (yeah I got it that long ago but haven’t gotten around to trying to learn until recently) and I couldn’t afford to pay even that little to buy a new one today.
My guitar is Gremlin, model G10N. It looks like this. My mom picked it out for me. She played it and said it had good sound and various other features good for a beginner like me. She’s been playing for about 40 years and has taught others, so I figure she probably knows what she’s talking about.
Um, we’re talking about a guitar here. What are you talking about? 
I was going to say that. Back in the dark ages, I took a semester of classical guitar in college. I’m a (old) girl with a generous C cup but didn’t have any trouble once I used the traditional classical stance of one foot propped up. You hold the neck a little higher which makes is easier to press the strings into the neck of the guitar because you keep your wrist more in line with your forearm. And with the butt of the guitar lowered it’s not hitting so high on your chest.
Don’t tell that to this guy. 
I already said that the straps you clip onto the sound hole can chew up the wood, and I don’t feel like ruining my guitar just so I can play standing up, which I wouldn’t want to do anyway.
Have you asked her for help with how to hold the guitar? She might have run into this problem with other beginners.
She’s a lawyer, not a guitar teacher. She has taught a few people how to play, that’s all. She herself has very small breasts.
Hmmmm I can’t find the specs for the Gremlin you have, so I really have no idea if it’s a decent guitar or not.
But definitely try holding it “classical style” like in the picture Doctor Who showed you. (I didn’t know that the way I held it was called “classical style”. Thanks Doctor Who! Boy, I’ve found as I become I better player I learn more and more. I think I’m at the point now where I’ve learned enough that now I realize there is SO MUCH left to learn. Neat!) You might also try putting something under your left foot so as to raise you left leg a bit and angle your right leg down. You have to kinda sit on the edge of the chair to do this. That works for me, but I’m only a B cup, so I don’t really have a lot to avoid! I find this works for me, so try it, and report back.
FWIW, I’ve used a classical guitar strap on my guitar for 20+ years with no visible wear around the sound hole where the hook fits. I’ve accumulated far more damage over that time from my fingernails striking the wood on occasion while strumming. When i first started using a classical strap, I worried about possible damage from the hook, but I just slipped the hook into a cloth “bag” (the toe from an old sock, with a few stitches to hold it over the hook) before placing it on the guitar.
If I shorten the strap up a bit, I can use it sitting down. In fact, I far prefer this to perching the guitar over either leg. The classical strap has the advantage of naturally positioning the guitar in an almost ideal ergonomic position - the sound hole centered directly in front of the body, which leaves my left arm at a very comfortable extension. (I don’t know if the same would be true of a longer-necked steel string guitar).
For the few bucks a classical strap costs, you might want to give it a try.
Your guitar may be made of a higher quality wood than mine, though. Not worth the risk, IMO, especially since I have no desire to play standing up.
You mentioned that when holding it classical style left the neck too far out for you to reach comfortably–one thing to keep in mind is that you don’t want to keep the guitar straight across your body as you would holding it cowboy style. You want to angle the guitar upward as appropriate, pulling the neck in towards your head. That will bring your left hand closer in, as well as give your right hand digits a better angle with the strings for fingerpicking (if there’s a better way to play those oh so delicate, complex classical pieces, I don’t know it ).
I’m going to be looking now, every time I see a woman guitarist, to see what she’s doing with her boob. Darn you OpalCat!