By Coleen Nolan Dear Coleen My husband and I are both in our late 30s and have two young children. We’ve been together 14 years and met at our first job after leaving university. We’ve always had a close relationship, and he’s a caring husband and father. However, over the past 18 months, he’s changed and become quite distant and irritable. He also sees this guy he met playing in a squash league all the time. When I say “all the time”, I’m talking nearly every day and he also messages him constantly. I’m not in touch with any of my friends this much, even my bestie. He’ll be texting this mat…