the love thing, some guys feel presured into returning the favour. Hes probabily realised that he shouldnt just say things for the sake of it. I get the feeling from what your saying the relationship is getting more and mroe one sided.
You cant force him to keep going out with you, and if you think theres no chance of him changing his mind, you may as well get it over and done with. Im sure you will meet new people at university. Dont expect a boyfriend straight away though.
I had a break up shortly before starting university, took me 18 months to get myself mentally ready for another relationship, and then when i felt i was ready to move on, my current boyfriend asked me out, which was kinda out of the blue.