Emotional Infidelity: What it is & 10 Signs You Should Look Out For

You started off as friends, then became good friends and became extremely close friends.

Then it went from occasionally texting and checking in on each other to constantly texting and having long calls almost every day. You try to spend as much time as possible together and confide in each other with regard to issues you might be dealing with in your relationships or marriages.
Eventually, the lines start to feel a bit blurry.

It starts feeling sort of like a relationship. But you never officially talked about it being a relationship, so could it be a relationship?