Didn't Raj already date a deaf girl off-screen? Or did I imagine that?
I took sign language for a couple years. I'm pretty rusty in it. But I loved to see Howard and Raj signing. They were using actual signs. Howard's pretty good at it. He was Signing Exact English, and most deaf uses American Sign Language. Same signs, but different order to the sentence structures. Still that was fun. (However, Raj picked up the signing very quickly.)
I had to laugh at Howard now being more familiar with what a woman wants to hear. Old Howard probably would have made those deaf jokes. He's changed. But, it's nice to know that somethings just don't change.
Sheldon with his mustache was pretty dashing.