Regarding being Happy~
Getting out of our own way, our own head is sometimes the best way to help ourselves.

The happiest I have been in a long time is when I volunteer. I do mine at a hospital. I work in the Intake Lab, where people come to receive their chemo therapy. You would think it is depressing, but no! It is uplifting, inspiring, and makes me grateful that I am not facing this particular pain in life.

The people I meet, the patients, their families & friends who support them, make me so grateful for the opportunity to give a kind word, the little comfort I can provide. It doesn't seem like much, but I always leave feeling better, happy even. It is filling a need for them and fulfilling a need in me.
Check out the website volunteermatch.org in your community to see if there is a place you might donate some time. It might help you more than you can imagine. It might be a step toward a happier place in your head & heart... it works for me.
Best of luck my dear ~