I'm not going to attend this family function
Do you have a reason to not attend?
My family doesn't support me and my career
You shouldn't let your personal feelings get in the way of family. You should be there for your family and attend the family gettogether.
SHUT UP YOU DONT KNOW ANYTHING ABOUT MY FAMILY
Even if you are upset the least you could do is talk with them and let them know what is going on. People can't change if they are never told what is going on.