We do things because of our present desires, our past mistakes, or for our expected future; let's hope that for all of our reasons, our actions are decent and valid.
The world is a changing place and life is a changing set of sequences; you need to learn new things and adapt as you go or become the source of all your problems and conflicts.
Friendship is normally a mutual exchange, not of money or even time, but of effort; whatever you share, you share together, not just for your enjoyment or theirs, but for both of you.
Sometimes work just bleeds into every facet of our lives, leaving us no room to breathe; it's in those moments that we should make every effort to push back for our personal time.