an you support your idea that my marriage was not genuine
Rita - I think that what makes most people here think that your marriage is not genuine, is the fact that you want out only after 3 months of being married. UNLESS there is a physical or mental abuse (in which case you must get away asap) you should give it a bit more try.
What can you do?
1) get a job
2) go back to your studies
3) live YOUR life (not married life as you expressed it)
4) stop paying all bills, stop borrowing money
5) stop cooking for him, washing his stuff etc (basically stop being his maid, although certain amount of cleaning you will have to do so that you don't trip over his c**p)
6) no more expensive gifts - as someone said this is not customary in Poland
Now - what you have to consider (and it might be painful realization) is why he married you.
Maybe he thought that he is getting cheap maid for his EU passport?
Even if the marriage was real for you - was it real for him?
At some point you might need to cut your losses and leave - and then UK authorities will probably investigate you. But hopefully by then you will have finished your studies and be able to stay in UK based on your skills.