Drawing boundaries with family members is often a necessity. It's not fun to do, but if you don't do it, people are going to rely on you well into their adult years, when they are supposed to be independent. Here , we're not dealing with an overly kind and compromising parent to a needy adult man-child, which is often the case when we come across these stories. Instead, we're dealing with an overly kind and compromising nephew to an even more childish and messy uncle. This uncle had a series of…