Assume you are forced to wear your significant other’s clothes for a day:
First, could you actually wear them, size wise?
If you could, what would you choose to wear?
Me - no, I cannot fit into my wife’s clothes. I weigh 190, she weighs 140, not going to happen. If I had to, Jeans and a t-shirt 
I could wear my girlfriend’s shirts, but her pants are floods on me.
Couldn’t, wouldn’t.
If I had a girlfriend, I doubt she’d have anything I couldn’t wear, since I’m 5’6" 135 pounds and 7.5W shoes. I’m not a big guy.
As for what I’d wear, I’d let her have fun picking out stuff for me. 
My SO and I occasionally wear each other’s shirts, although they look much better on him. I doubt I could get my enormous hindquarters into his pants, so I’d have to wear his sweat pants. I’d be ok if we were going to the gym, not so much for the office.
I’d be ok with his clothes if they fit me, but I dress in a fairly mannish fashion on normal days so it would not be much of a change. .
I easily could. She is shorter than me, but she likes wearing her clothes loose, so I probably have an easy time wearing her sweats.
I could wear his stuff. It would be much too big for me and I would look ridiculous, but it could be done. I don’t have any pants that he could squeeze into, though.
I grab his t-shirts sometimes anyway, when I don’t find one I like among my own clean ones. I could definitely wear his sweatpants and probably some loose shorts. Pants would be strange. I think it’s iffy as to whether they would go over my hips. They also might be a little long.
You lack imagination. My SO weighs about half what I do (a little over 100 v a little under 200) and is about 14 inches shorter but I could wear one of her skirts from dancing because they have very elastic waists and one of her wrap shirts. I would look remarkably silly, however; my own skirts tend to be much longer and my belly isn’t quite as flat as hers, though it also isn’t especially pudgy.*
My husband is six foot five inches tall, and weighs around 250 pounds. His shoe size is 12 or 13. His pants have a 40 waist and a 34 inch inseam.
I’m five foot six inches tall and weigh at least 100 lbs less. My shoe size is a 9 (men’s 6). My pants have a 34 inch waist and a 32 inch inseam.
I could wear his clothes but they would be too long/big for me - shirts would probably fit easiest. His shoes would fall right off of my feet.
The only thing of mine he could wear might be my bathrobe.
Would we? I guess if it were a crisis situation, sure.
Can and do for casual.
He’s a bit bigger than me but likes a tighter fit, so his clothes are comfortably loose for me. He won’t wear my clothes, because the jeans, t-shirts, jock-socks, and flannel shirts I own are some how ‘girl’ clothes.
Even the ones I stole from him.
Hey, we’re pretty close. My husband weighs more than yours and has a smaller shoe size, and I’ve got 3 inches and probably at least 10 lbs on you.
I’ve worn old turtlenecks of his but not out of the house; those are shirts just to clean the house in.
I have accidentally worn my wife’s jeans without realizing it. Embarrassing to relate, but true.
I could wear his shirts, but not his pants. He is at least a foot taller than I am, and very very slender. (It is hard to find pants that fit him, his waist measurement is less than his inseam.) I’m rather curvy, so his beanpole jeans wouldn’t fit me, now. They once did though.
My partner is exactly a foot taller than I am (6’10" vs. 5’10"), plus he’s skinny and I’m not. I would not be able to get into his clothes.
I have about 80 pounds on her (I’m pretty average-sized but she’s very petite) so no.
ETA: Just read the thread title (always good to do after posting). Not my spouse but my gf.
I’m just over six feet tall and under 200 lbs. She is just a tad over 5 feet tall and about 105 pounds. No freaking way.
Who is forcing me to wear my SO’s clothes and how much force are they applying?
If my SO is forcing/requesting me to do so, because it would make her happy, I would do so IF:
it was done in private and no video or photos or sketches or tracings were made.
Would her clothes fit me, size-wise? Excluding shoes and gloves, I expect a fashionable outfit from her wardrobe could be found, though I don’t have her amazing boobs.
What of hers would I choose to wear? Being that she has better taste than I do, I would defer to her choice.
(I’d select a suit, the “birthday suit” cuz it would lead to fun 
Because she may read this, to be fair, she would have to wear my “Happy Dancing Lizards” tee shirt
p.s. I won’t do makeup
I guess there are a few things of hers I could wear. I’m 5’9" 165; she’s 5’6", 118 but I have short legs and a long torso, and she has long legs. She’s a size 2 and wears mostly snug/form fitting clothes. I might be able to wear a sweatshirt, baggy t-shirt or, if necessary, a long skirt or something with an elastic waist, but otherwise, I doubt it.
She could wear my stuff with a belt and everything would be pretty baggy.
Would you. could you, from your spouse?
Would you, could you? In the house.
Would it fit or would it bag?
No it would not, it would sag.
Sag and bag need a gag -
I would be a dag* fag hag.
Aus slang - do I need to translate?