Not Letting Anyone Else Know

My coming out story aint so happy (not everyones is) but here goes--

When I came out to my mom she was super ok with it, which made me glad, but after a while she ended up saying she thought it was a phase. Afterwards when I told my grandma she promised not to say anything to anyone (I have my cousin who already knew as a witness) she told my mom and grandad about how I have a girlfriend and almost told my dad, and once I said hey he'd probably disown me DONT tell him she just said shame on you. I learned my lesson and am not planning on letting anybody else know anytime soon