[quote=Dipper]
Hey guys. I um... I recently came out as MtF. Not to my parents, but to my elder sisters and my aunt and grandparents.I... Um... I don't know how to tell my parents, or... anything.
[/quote]

I imagine it's quite a terrifying prospect, but if your parents are supportive and understanding about most things, I think you'll be okay. Maybe ask someone you told to be there when you break the news?