One thing I learnt is that as humans we're probably more alike than we might want to accept. Many people are probably going through what you are going through and even though that might not be sufficient to make you feel like you're on top of the world, the point is, it happens to the best of us so you shouldn't feel alone.

Secondly, talk to someone you trust. Confide in them.

Thirdly, if you truly think you have room for improvement in your life and your relationships, do it now. Be better; you can do it. Start now.

Lastly, if you drink alcohol, stop it. It only makes it worse.

Stay hopeful.