maybe just try to find things that you enjoy doing that enhance your life and spend time with your new boyfriend and create memories and good times of your own......try to limit your use of facebook......its like any habit that you form......just try weaning yourself off of doing it and gradually your time and energy will be too full up to ether care.

The alternative is to go cold turkey so to speak .......and completely stop doing it instantly and focus instead on filling your time and energy as I suggested above.

Good luck.......continuing to do what your doing now appears to make you unhappy and your time is spent wondering why you do it......and you are questioning yourself as to why......so I think thats an indication that you yourself are ready and wanting to change your behaviour and thats a great start.......sending you a big hug x