What is the opposite of ex?

Opposite of former or previous. future. present. current.

Is ex a word or prefix?

Ex- is a prefix that means “out, out of, from.”

Why talking to your ex is a bad idea?

Talking to an ex can create false hope that the two of you could one day get back together. After the past relationship ends, you are going to feel vulnerable and will be susceptible to getting into an emotional or sexual situation with your ex to self-medicate and make you feel better.