Several people told you dating was a bad idea. Especially, as only posts before you were still hung up on your husband.
You brushed it off as a bit of fun / letting your hair down and harmless..
Dating is not harmless when you have attachment issues. Look at the outcome of what was just a few dates with a guy.. You can't get over it and its actually set you back.
Wolfman is a great example of why not to date broken. You followed in his footsteps - different outcome, but same principle.. It wasnt a positive or happy ending.
Please speak to a specialist. A lot of people here are posting the same thing day in day out, but until you make the steps needed, you will go full circle continually.
Previous username - Helpme123.. A name chosen at a desperate time..
Now Mr Brightside.. coming out of my cage, and doing just fine.