When I was a kid, I was a shrimp, partly because I was usually the youngest in my grade. I was also a loner and was more interested in books than in paying attention to actual people. Making things worse, earlyish in grade school I ended up wearing glasses plus, for a while, one of those incredibly stupid looking eye patches. So yeah, I was bullied. Big time bullied, especially from grade 2 to 4 or 5. Luckily, it wasn't a really tough school. Basically, in class there were a bunch of people who would insult me and try to push me around. At recess and lunch they'd chase me around the schoolyard in gangs of five or six. But, not too tough a school as I say, if they caught me they'd hit me a little and knock me down, but nothing too serious. There were a couple of particular assholes who, even if they weren't actually beating me up just then, would jump me snatch my glasses and stomp 'em, things like that.
So yeah, five or six against one and I was very small and scrawny--I ran a lot more than I fought. But I had one basic advantage: Absolutely steel-clad self-regard. I was always sure I was awesome. It helped that I was always about the smartest in class; I could do well at everything without trying, always had an easier time talking to adults than kids my age, and thought nothing of contradicting teachers if I thought they were wrong about something. So while I might run from the beatings, I never stopped talking back in class where they could only insult me. I could always give better than I got verbally, although it was annoying that often the bullies were too dim to completely understand the trouncing I'd given them. So where some bullied people internalize it, start to feel bad about themselves, start to feel down even when they're not under threat, I was mostly just pissed off. I knew with no doubt in my mind that everyone on my case was worthless morons and I was a genius and their superior, and that was that. So psychologically I wasn't hurt that much except to get pretty cynical and isolated. Really, I can kind of understand why they'd find me annoying--but until they got on my case I never said much; I was shy and quiet and just wanted to be left alone, so it wouldn't have killed them to do just that. Things gradually got a bit more subtle in high school (a few different ones), and by grade 12 nobody was really on my case at all.
As to forgiving 'em . . . nope. Fuck 'em, little creeps. If I meet one of the people who gave me a hard time when I was a little kid, I will probably ask them for a fight and pound the shit out of them. If the demands of civilized society make this impossible, I will at any rate call them out for the pieces of shit they were. I was fairly pacifistic when I was a kid (though very very rarely if I lost my temper I would pretty much go berserk; I've seen kids bigger than I who normally tormented me run when I snapped), but my personality has gradually shifted. Less shy, less quiet, and take shit from nobody. I think it's the tabletop roleplaying games, which helped socialize me and pull me out of a general dislike for the human race, but also gave me a somewhat . . . tactical view of conflict, and an unforgiving view of enemies.