Sleep is the new drug. Get enough of it and everything in your life improves. Push yourself with caffeine, Adderall, nicotine, or any myriad of substances you're diminishing your ability to heal, be happy, and find optimism.
In isolation we are alone. In groups, we are a team. Be part of a team, join a team, create a team, and find a team to support.
Do what you have to do to make a living and support the lifestyle you want to live. But always be arcing back towards what you want to be known for, for your heart's desire, for what gives you the most joy.