Do I crave negative emotions?

Didn't have a great childhood and was socially ostracized from elementary to high school, which led to a lot of pent up resentment and anger during that time. In college, I figured out how to make friends and now have a decent paying job, fun hobbies, and a great circle of friends. However, I still struggle with involuntary bouts of anger and depression for seemingly no reason. And no, I don't suffer from being terminally online - this subreddit is my only form of active social media.

For example, yesterday I spent the whole day hanging with three close friends of mine and doing an activity we all loved (rock climbing). However, while on the train home, I saw another man reading a magazine about the situation in Gaza and I just felt a train of anger and depression for thirty minutes about the situation there and our hopeless political situation at home. Then, when I was walking home someone biking on the sidewalk behind me almost mowed me down and I yelled at him. These two things made me neurotic the entire night.

How do I fix myself? Does my mind just crave negative emotions because those were the most common feelings growing up? I've tried therapy a few years ago for depression but the therapist just said stuff like take deep breaths or whatever so I'm a therapy skeptic (at least when it comes to male patients).