My GF (30F) and I (33F) are a blended family. I have 2 boys (5M, 5M) and she has 2 kids (5M and 4F). We have been together for almost 4 years, the kids were really young when we got together, her 4F was 8 weeks old and my 4M was 9 months old. We basically have raised our kids together. When we...