In your picture you are standing in a scowling defensive pose and looking down. I.E. Looking down on us...
It is the only image we have of you. We have never met you. We don't know whether you are normally a happy or smiley person or not. All we have to go on is the immage you portray, and it isn't a friendly one.
I just had a look for her profile in the new members section and couldn't find it. But I did come across a "Jordan" lookalike that the guys are going to love on the second page.
RE: what is my ex's problem?
Perfectly said.It will give him the message that you will not tolerate his antics.
There are too many decent guys out there to be having fun with, don't give him any more of your time or energy.