Do not just accept it. Yes, communication is a must in any relationship. I think we all know that, deep down. Yes, respect is a must in a relationship, even if not as a slut and a slave, then at least as a human being. However, growth is essential in any relationship as well. Without growing a relationship stagnates and grows tired and boring.

This is why people set limits. It gives them and their partners something to work on in the future. The very thing you or your partner might think "eww" today might be the very thing that wildly turns you both on six months down the road.

So, yes, talk to her about it. Mention what it means to you. Ask her what her hesitations are. Then proceed from there. Take it slowly if you must, but at least breach the subject with her.