Biologically, a big thing is exercise. Get plenty of it, because it helps regulate mood (a lot). Longish walks or runs also help you take a time-out, which is i

Biologically, a big thing is exercise. Get plenty of it, because it helps regulate mood (a lot). Longish walks or runs also help you take a time-out, which is important from time to time. Sunlight might also play a factor depending on how susceptible you are. Also, being a new parent is inherently stressful. It helps to be aware of that to give some perspective. Career-wise, think about what kinds of things related to your line of work you actually enjoy doing, don't enjoy doing, and utterly hate doing. There are different kinds of companies and work cultures that increase or decrease these things. Right now is a good time for remote workers, so you have more choice than you did a year ago. Figure out what areas of work will maximise what you like and minimise what you hate, then think carefully about what kinds of interview questions you can ask a potential employer to see what you can realistically expect if you worked there. It's perfectly fine to say "Sorry, we won't be a good match" and move on. Just like in relationships, there are all kinds.