Think i'm being used, got married to a pakistani guy...advice needed

Without being judgmental can anyone give me advice regarding this issue. I'm a British citizen and i met a guy who is from Pakistan and here on a student visa, we knew each other for around a year, and in that time we got to know each other really well, we had a lot of arguments and problems but eventually we grew so close. We started to meet up, and things got very serious. We ended up getting married (a nikaah ceremony) but this was done secretly without me telling my family, i thought it would be best to tell them later when I knew there would be chance they'd say yes. But then after a while I discovered some things that made me feel like I'd made the wrong choice. - He's very persistent on getting our marriage registered here legally, as a nikaah isn't legally valid, I told him we could do this later on when we tell our families but he wants to do it now, I really don't? - He's registered on marriage websites and dating websites, which he said he had gone on before we met and doesn't use them anymore - I've seen a lot of messages of him talking to girls on facebook etc, he claims he didn't used to talk to them so I let it go - I've read a message he sent to his friend regarding our marriage and the fact that he will be putting a case into the home office in a month - he didn't tell me anything about this plan? - He's very persistent on me coming to live with him, we live apart now but I'll be moving to live with him soon. - His age is different on his passport (increased 2-3 years) and he claims he isn't that old and it was just for the documents. - The strangest thing is, he's on a student visa here but he has left college, he simply does not go, and just works - He always says to me that he has no interest of residing in the UK and living here, and that he loves his country a lot yet he contradicts this by talking about working full time here and getting a house etc I really love him and don't want to lose him, but I don't want to be a fool and be played either. There's a lot of little little things about him that are making me really suspicious. I know I've made a mistake, but is there anything I can do now? (and please don't give advice like LEAVE HIM, because I married him, and for a me a nikaah is a very big thing, its not something I'd just end. People have suggested to me to divorce him, to say I'll move to pakistan with him and see what he says etc... can someone suggest something a little more positive?)

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