You can think of it as "just how I'm wired" if that helps, but these things are tendencies not absolutes. I've been similarly harsh with myself in the past and

You can think of it as "just how I'm wired" if that helps, but these things are tendencies not absolutes. I've been similarly harsh with myself in the past and now I do that less frequently with lower harshness even though I know it's a natural tendency. It is possible to lessen the effect of these things if you put effort into it.