One way I try to challenge myself (though often fail), is to think about what I'm about to publish. Am I sharing good vibes or will it make someone feel less positive? This is a good filter to put all fresh notes through where applicable.
It's super easy to get bummed out on some thing you read here and there because rage algo does a great job of making that thing noticed. Much harder to spread good vibes unless you actively practice it or you're naturally a good vibes person.
Not saying anyone should fake good vibes, but, it helps to consider what energy shockwaves it will create and how it may impact someone's day.
I will keep on trying to do better.