Let’s deconstruct bad metaphors/similes/aphorisms/etc in three steps
Find a bad metaphor and describe it’s failure
Mine: “You’ve made your bed and now you have to lie in it.”
Bad for two reasons - because “making a bed” is easily confused with tidying the sheets, which is something you do after you lie in a bed, not before it, and also because it’s kind of negative, implying that if you’ve made a mistake there is nothing to do besides accept the consequences
Fix it!
“You’ve spilled your spaghetti, now you’ve got to spic and span.”
Better because there’s no ambiguity in spilling your spaghetti, and because it implies that the proper behavior is not to simply accept the consequences of your mistakes, but that you should try and make amends of some sort.
If you really want to emphasize the consequences aspect, there is already the superior
“You reap what you sow” which implies that the consequences can be either negative or positive, depending on what your initial actions are.
Optional: anecdotal mistaken metaphors
Once when I was a kid and wet the bed, my parent told me to “wake up and smell the wool”…
Maybe it’s inflation, but I think the exchange rate between hand-birds and bush-birds should be much higher.
I would also argue that there are any number of relevant parameters which would have to be specified - distance to bush, weapons available, type of bush (density of foliage), etc.