Don’t tread on yourself
We can’t be positive all the time, we are human after all.
We can, but what would be the purpose of this physical exercise if we were just as happy and creating just as easy as in nonphysical? The existence of such a playground as the physical is our whole reason for being
Being “positive all the time” is a choice however.
There is nothing negative EVER, once you realize, that all “negative” is is a bunch of pointers to you for what you got going on in your mind / vibration (and subsequently) in your reality.