Adults 30+ How do you handle everything?

How are you not drinking or using any substances to navigate life? I’m overwhelmed right now and I’m so tempted to pick up on self destructive habits. I can’t resort to alcohol because i Spent 10 years fighting to become sober 😩 and I’ve never done drugs, I hate smoking, my only option is sex and it makes me more sad because i Remember my ex and that makes me feel worse.