My mum has supported us although she is of course sad to see us go. Garys mum on the other hand, just cries all the time and accuses me of taking her little boy away - but she does hate me. It's time for you to make your own choices, that's what they brought you up to do and you're doing it successfully, surely that's a good thing.
There is no easy answer. Someone is going to hurt, several people are going to hurt
but it will only last as long as they decide it's going to. They have a choice whether to think positively or not and as Moggy says it's time for them to think of you and not themselves.