Hi there, Buns!
and
on your fabulous losses so far!
You'll find LOTS of folks here who really follow that "Decide, Commit, Succeed" mantra...motivation won't get you NEARLY as far as commitment will.
Have you explored the boards yet? We have forums by age range, eating plan, etc. We also have a group called the 100 lb club, for those on their way to losing or who have lost 100 lbs or more, and that might be a great place for you to settle.
Look around, find a spot, and jump on in. Wherever you end up, can't wait to get to know you better!