By Coleen Nolan Dear ColeenThis isn’t going to come across well, but I have a big crush on my boyfriend’s stepdad and I’m starting to wonder which one of them I’m most interested in. I’ve been seeing my partner for two years now and there are no issues, apart from the fact that I fancy his stepdad, who’s 40, very fit and handsome. My boyfriend’s mum is in her 50s, so her husband is quite a bit younger and they seem like an odd couple. Whenever I’m over at my boyfriend’s parents’ house, I find myself flirting a lot with his stepdad and I’m pretty sure he flirts back – lots of warm smiles, bante…