Wife just said to me: "funny how our boys are so rough and ready, because you're not"

Me: "yeah I'm a complete wuss"

Her: "Noooo, you know what I mean, you're just not the type that gets into fights and stuff."

Me: "no, I'm basically a girl."

(I was agreeing and amplifying because I couldn't believe that I was hearing and didn't know what the fuck to say)

Her: "it just surprises me that the boys are like that when you're just not very testosterone-y"

Honestly, after this exchange I've felt like I died inside. I'm trying not to show anger but inside I'm raging. To me this is the equivalent of me saying to her: "you're fucking ugly". If I did, she would be understandably pissed. But are we just supposed to brush this shit off and STFU?

How do I respond??