How do I come out to my mom as gay?

[thin rampart]

My mom is super supportive of gay people but I just don't know how to tell her or how she might react.

[long lantern]

If she's in a good mood

"mom I wanna tell you something"

And basically ease into the topic

"so you know how gay people exist? Well I've been questioninv myself, and I think I'm gay."