Would a man saying "I'm a feminist" to explain his lack of deferential manners to dates be OK?

Wow, are you clueless on men’s brains.

Let’s say a guy drops something, you being the helpful person, bend over to pick it up for him and he gets a good look down the front of your shirt at your beautiful and ample busoms. When you stand up he stutters slightly and says thank you, or maybe… thank you!