Finding a training partner is vital, they help give you the motivation.

Beyond that and 'getting your ass to the gym', there isn't any motivation to get you there.

Try watching and reading bodybuilding articles and videos to get that fuel in there.

I used to kill the gym but now, even if I turn up, I can't be bothered even lifting. Lost over a stone in muscle and put on a belly. Best I've ever been with girls though!