Should I get back with my ex?

This guy and I were friends last year and obviously liked each other for a while. We were talking for about 3 months and dating for about 5 months. This summer was very hard on me for many reasons. I was very busy, I had a lot of family stuff going on, and I was always upset and overwhelmed. I am also a huge overthinker, so I would panic over every little thing in our relationship. I didn't understand him or how a relationship worked, because I only tried to understand my point of view. I realize now all that I did wrong and that I probably wasn't in the best place to be dating when we were. I ended up breaking up with him, but immediately regretted my decision and begged for him back (pathetic, I know). He said he didn't know if he could take me back and he had good reasoning. I didn't try to understand what didn't make sense to me, I took a lot of stuff out on him (I almost broke up with him a different time due to unrelated events), and I didn't communicate like I should have. I did, however have some good reasons to end things. He's very socially awkward with a very flirty personality. Most of his friends were girls (some that liked him/who he had like) and he was unknowingly flirty, which made me uncomfortable. Sometimes, though, he would make comments to make me jealous and that broke my trust for him. My friends disliked him because he was annoying and liked attention, but that was only his outer layer. He was way different that the side he showed them. He did like to kiss a lot, but I feel like we ended up making out more than talking, which obviously impacted our relationship. Despite all of this, he was good to me, always tried to help, and I really did (and do) love him. So much would have been different if we communicated. I just don't know if I should get back with him, if he should take me back, or how to even go about it as we aren't close anymore.

Should I get back with my ex?
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