Search Results: giving a second chance

Long story short: he started this. It's ridiculous because we broke up a whole year ago nearly. He went in a huff and wouldn't speak to me for months.

Recently, we did get talking. Our chatting turned into mild flirting, which then turned into more sexual flirting. Which turned into photos being exchanged and a rather sexual hug.

Now, I asked him at this point if he was flirting with anyone else, because, obviously, if he was... I didn't want to be flirting with him in any manner. He got angry and insisted no.

So yeah, time went on, we had a little misunderstanding and the flirting stopped and we agreed on being friends.

My birthday just passed and he wished me a nice day. Just round about this time, I'd found what looked like evidence he had indeed been flirting with another girl around about the time we had been getting close again. His birthday approached, I wished him happy birthday, but let him know I hadn't felt like it. This of course set off another argument.

He ended up telling me he didn't want to talk again and was raging with me. He told me I was vindictive and nasty. But then he'd change his mind and say I was nice, that he'd always care (that was after he said he didn't care) and then he said he could be nice to me after saying all he said.

I explained why id acted up and told him I knew about the flirting. He didn't deny it, although he said he couldn't remember flirting with anyone else when we were and told me he was considering giving us a second chance at that point. He stopped arguing at this point, he apologised... and we then hugged and left each other.

I honestly don't even know what to believe to honest. Help? What does he want?

I was seeing a guy for 2 months. We hadn't spoken about being exclusive at that point but I was under the impression we were both only really dating each other. He introduced me to his closest friends, left me in his house while he went to work, was sleeping together, having date nights and would talk about me meeting extended friends, We also planned to do a couples massage which was his suggestion.
In the space of a week I had suddenly seen a slutty girl with no self respect (posts about hating men, loving dick, ruining lives etc) posting on his wall and flirting back and forth majorly, he had also bought her flowers. I told him we needed to talk and he told me that he has feelings for us both but saw a future with me it's just he only had met her a week before suddenly didn't know what he wanted. I told him I won't be a second option to anyone and that I was done. He said we hadn't spoken about being exclusive yet so he was allowed to keep his options open until that conversation. He kept saying he didn't want me to walk away and could see a future but just needed time to figure out his head but said not to go. I told him I'm not waiting around and that I need to move on. He kept saying he'll be in touch when he figures things out. I just walked away.

He sent me a message yesterday saying how he thinks I'm an amazing person and said he understands where I'm coming from and the reason he likes me so much was because my head was screwed on.
Was walking away the right thing to do? If he comes back would be giving him a second chance (with conditions) be worth it?