Someone explain ? 😥 Need to Vent

Valerie • MakeupFreak💄🎨 💍Here To learn and have great conversation . 😊
So my boyfriend or ex I Don't Know what we are right now. We've been dating for months now and we had a little argument over FaceTime nothing serious. So this was around Feb.15 and we still haven't talked it's now the 22nd of feb. so I messaged him yesterday asking if we were still dating but he never replied back. So it that his way of saying we over ? If I start talking to other guys does that mean I'm cheating? I Don't Know I'm just feeling emotional and lonely and need advice.