Don't worry about uncertain things, which might not in the end require worrying. When I was younger I was stressed about way too many IFs, but especially in re

Don't worry about uncertain things, which might not in the end require worrying. When I was younger I was stressed about way too many IFs, but especially in recent years I try to force myself to not think about things which are not certain to happen in the end, so they are waste of your energy and stressful. Also related - don't take things too seriously, it must be difficult to accept for perfectionist even half assed work will do it same as perfect work, but it's reality and only one hurting with this it's yourself. These is related to priorities and will be difficult, if work is your biggest priority and you don't have kids or some better hobby.