Coming to realizations about certain things, even if they are difficult to face and not necessarily what you thought because it can be a relief just knowing certain things are more or less inevitable. It's even better knowing that this inevitability, when finally achieved--even if not in the immediate future--will probably cause a great weight to be lifted and for many stresses and depressions to go away.
That one friend who just seems to 'get' you and on levels you never ever expected.
Reconnecting with older friends that you thought had disappeared only to find them again and have it be like they never disappeared at all.
Being able to just be myself without care or worry of anything else and having others care and look out for me for a change.