Things change, people come and go... Easy to get frustrated and get angry with a change. But life happens, people come and teach you things, and they change you. And it's important to change. One just needs to make sure they don't lose their identity while at it, because with identity comes purpose - take it away and there's nothing purposeful left. But it's important to change, and I believe it's important to embrace any given change and be thankful for it.