For the last few days my favorite person has been distant and unavailable, I got clingy, which made them want space even more. Last night they refused to talk to me on the phone or videochat, and I got upset and demanding. I asked them why they wouldn't talk to me over and over. They said they were done talking to me for the night and blocked me. After that I had an intense anger outburst directed at both my favorite person and myself. Today they unblocked me and said they would talk to me after work. 

It feels like torture to be ignored. I can't stop the negative thought loop that's telling me, "They wont call you today or ever again. You were just abandoned. If they do call you its to tell you how toxic you are and how they have to escape the dumpsterfire that is your life."

I hate the way I've been behaving and Im trying SO hard to get better. I've done a lot of DBT therapy and it helps, I just get particularly triggered by this and despite my best efforts I can't seem to get past my beliefs about abandonment. 

How do I cope with these obsessive negative thoughts? How to resist the urge to call them or text them over and over and over?