You are autistic, so you usually ramble about special interests. Most of the family just nods along. Well, Dick actually listens, but he's off in Bludhaven. You eventually, stopped, thinking you were annoying, Damian saw, and with you both being the same age and close to you, one day you were in the theater room to do something related to your interest, Damian walks in to join you, sitting beside you

"So... Tell me about this interest."

Damian asked, genuinely interested in listening