For context, I have been in my current job for less than a year and have struck up a friendship with a married colleague. I am single, if that's important. Nothing untoward has happened between us, but it feels like the relationship is intensifying somewhat in terms of the things he is choosing to share with me.
My head is starting to swim and I would really appreciate some advice about how to identify when a friendship crosses the line and becomes an emotional affair. I need to crystallise my thoughts. I don't want to find myself in this situation and am worried I could be inadvertently falling head-first into something dangerous. I care about him a great deal.