I'm 43 and I have four adult kids, aged 19, 20, 22, and 25. My dad and I have always been close and he's always been extremely close to my daughter (22-year-old). He's been married to my stepmother ...

She seems to have forgotten that he's just a kid — and that he was here first. Blended families are often no picnic, and figuring out how to be a good parent and a good stepparent at the same time can ...