Nothing wrong with Subway, but as with anything you just need to pick the right ones. The plain ham or ham & turkey on wheat bread loaded with salad (no cheese and if you're gonna have dressing then plain deli mustard. Nom nom nom.
Well done Vernon that's amazing weight loss.
I'm working on mine too and thought I had good progress with 6 1/2 KG in 4 weeks, so far just with diet and extra walking an stairs instead of lifts. Can't wait to get my new bike and back to regular exercise. 16-18 mile round trip commute should help.