ever feel like the worst version of yourself??

i have..TODAY
jumping to conclusions and thinking the worst of this person just cause he has crossed my path previously..
i didn't get my facts right, and just assumed that he's rude, as he has treated me for the past few weeks, when in fact, he had asked for permission...
i feel nasty and quite the horrid bitch...
i think about all the other times when he was civil, he was actually quite a decent boy...
i apologise to him again, even though he doesn't see this...
i also hope that i won't ever feel like this again...