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I'm stuck:( I really need your advice!

hi guys, i am so stuck with me life at the moment. please read all the post.
I started my A levels in 2010 and completed them in 2011. however, after completing my A level, I develped an interest in medicine so decided to do a level in science subject so i could do medicine. It was really hard to get a place at college for the course. http://www.thestudentroom.co.uk/showthread.php?t=1774309

I was enjoying the subjects but as we moved through the years, I started hating sceince subject and ended up with E and D in biology and chemistry respectively. with these grades, clearly I cannot do medicine. I do not regret going back to college for a third year to try something that I might enjoy. Now I am doing the second years of a level but really hating it. My teacher has asked me to resit but i don't have any motivation to revise as this is the fourth year of a level. I feel fed up of college and really want to move on with my life. I was thinking of applying to university with the a levels i've already completed and once I've sorted out my ucas application, then i can safely drop out of college. However my concern is that after dropping out of college, i wouldn't have anything else to do and i'll get bored at home. I've applied for apprenticeship but not sure if i'll get a place or not. If i've got nothing to do then this will happen to me http://www.thestudentroom.co.uk/showthread.php?t=1706876

Another thing i'm worried about is what if university refused to consider because i spent 3 yaers at college. I'm struggling to find the right direction. please if someone could help me, that would be great. :smile: