IIN my boyfriend is pressuring me to get breast implants!?!

Don't get breast implants: that's what you should do.

You obviously don't feel comfortable about it, and seem comfortable with yourself as you are (which is awesome!), and who knows how long this relationship will last (I think, not very, but who am I to say?), and it would be ridiculous on the face of it to have silicon stuffed into your body just because some boy wants you to, even some boy you're dating. In fact, even if you married him.

A big signal here is that he says, "If you love me, you'll do this." There are some times when that's true ("If you love me, you'll put up with my crazy family from time to time"), but this just isn't one of them, and making your love for him conditional upon whether or not you get a boob job really shows that his love for you is conditional upon the size of your breasts. Which means it isn't love at all; and the fact that he would use "love" to get what he wants and manipulate you and make you feel good makes me really think you shouldn't be dating this guy.

Anyway: don't get a boob job. You're fine how you are.