SR, you noticed the cute girl. That's a big step. Pretty soon, you'll notice and only think about how you can get her number. You're not screwed up. It's really important step.
Are you working with your L about the support? How optimistic is the L about it getting adjusting? Also, just a note, time equals money. Get more time with your D and you'll pay less money. Fight for as much time as you can get. Not to get back at your W or just to reduce support but time is THE most important thing you can give your D. You sound like a great dad. A d's most important connection is with her father.