I only drink it to have a 'nice time', I never get drunk.
I'm impressed and surprised that you've only started drinking beer at 18. When I were a lad an all that...
Maybe I should improve my exercise too, bit of running or cycling here and there.
If you're really, really bothered about it the calories in beer, then the simple answer is to be a woman
If you're really, really bothered about it the calories in beer, then the simple answer is to drink slim-line gin and tonic instead. The only caveat is that you must have ice and slice in it (and the closer to 50/50 the mix is the better ).