Mollie, what are you doing for yourself? To make your life better? Can you join a club? Buy yourself an exercise bike? Get a new hair do or some new clothes? Start going to the library and checking out some books? Db books may be there!
Tell me how you are getting a life? Let's explore this part of piecing...by piecing a new you together, you will piece his interest in you back together!
Also, did you notice when he didn't call/show you wanted him more? The same is true for him, so try it.