"It's just a little bit of a surprise, dear. We weren't expecting that." Aunt Mary didn't actually act very surprised. Maybe Mom had said something to her long ago.
"I don't mean to force the issue on you but I thought you should know because you were always important in my life and we're going to be seeing a lot of each other now. Are you okay with it?"
"Well, I don't really understand it but I've seen male animals go after one another so I know it happens in nature." Uncle Frank seemed less at ease than Aunt Mary but still not antagonistic.
"Besides, our niece Sandra is gay. You remember her from high school don't you? Petite thing, long blonde hair?" I knew who Aunt Mary was talking about and when I thought about it for a minute I wasn't surprised to hear Sandy was gay. She'd been as shy and withdrawn as me in school.
"So this is what's behind the split with your father?" Uncle Frank asked xtube
"Part of it. We never got along and I think this was just the final straw."
"Yeah, I'd guess it must be more than that. Sam has always been a live-and-let-live kind of guy."