I used to sleep with this couple who were the best of fun. But the girl was a bit different up top. Her left brest was an a-cup and her right a d-cup. Her bf loved it and so did i. Gave me options. Kind of a lolita and a woman all in one thing.

Every woman, with or without brest implants has uneven boobs. That is just a fact that will never change. Even plastic surgery docs tell their patients that they will not have same size boobs. No one is perfect.
Besides, when you are on your back and everything is moving so fast, no one can tell, least of all men!

And for the record, men love it when their woman is completely naked. Men are very visual creatures.

So, who cares. Have fun and if your man has the balls to complain, tell him he can find a different bed bud.