<human>: My ex and I broke up about 2 weeks ago, he brought up that he hadn't been happy and after a lengthy discussion and a day to think on it he decided he didn't want to work on it rather just break up. I have to admit we both had some fault in the break up - we'd been more just living together than actually being in a relationship.

I've moved out (but still helping out with bills till the end of the month) and have started moving my stuff out. But some things, like the fridge i'm leaving there until he has money to buy his own. We've been in contact to sort out furniture, cars, etc. 

The last week or so have been hell and although we discussed it at length in the end, I gave him the option to work on it or split and he chose the later which gutted me. 

Today he's told me he's made a huge mistake and we should have worked on it and could make it work... The thing is I don't want him back now, its only been two weeks but I'm sure, nothing has changes and who knows when he'd get unhappy again and decide to call it quits again.

I told him no but he doesn't seem to want to take no for an answer. Its really upsetting me to keep saying no and hurting him but I've made up my mind... How can I get him to see this?

Could you distill the essence of the text into 1-3 sentences?
<bot>: We broke up, fairly mutual (but his idea) now he wants me back and wont take no for an answer. Help.