Stick with it dave!
I used to go to the gym every weekday at 6am up to last december when i got really busy at work, i hated it when i started it, really hated it! but now i hate not going,
I got into the routine of going and really enjoyed it, its a bit of peace and quiet, no phone, work or home problems for an hour or two.
What i found the best was doing the weights first and cardio at the end, limiting the cardio to about 20 mins, i used to do cardio before and after weight training but i found much better results doing it just at the end.
You'll have more energy and be much happier after a good workout, i'm starting back on monday
Best of luck!! and remember "no pain, no gain"