"Arlo is the father?" She asks, just to make sure she's following this correctly - but she doesn't wait for an answer before barreling on.

"This is weird." Though if her expression is anything to go by, the word she wants is something more like stupid. "I am dangerous. I--" She copies Tim's sign for beating. "I do this, at him. No problem."

In other words, the situation is totally different, as far as she's concerned - and if he refuses to fight all women because his mother was defenseless, she considers that tantamount to saying that all women are defenseless.