Yes, but is refusing to let him get away assault?

I have read plenty of porn where a woman is receiving oral. In most of them when the woman gets really excited she will do one of three things or all: 1. Grab a hold of the guys head and push his face into her vagina. 2. Wrap her legs around his head so he can't get away (sexual assault?) 3. Or crus...

I am concerned about the type of behavior that people appear to think is normal for a guy:
Pressurizing
Sexual Abuse (she is partially to blame if she was teasing him)
Selfish, thoughtless conduct in sex

It makes me wonder if I can expect much from guys if this is how they're taught to behave.

This is just an example, didn't happen to me in real life. But I've heard about it and it pisses me off. A woman is giving a guy oral when he randomly pushes/rams her head down and holds it there, even as she tries to pull back. I mean if you are resisting a sexual thing, even pulling away a bit, th...