healing?

I feel like I am starting to heal slowly.  Even with thoughts of him today, I didn't feel so sad.  The mornings are still the hardest; I have to force myself to get up and start.  Once I get the day started, I begin to enjoy myself a little.  I haven't been checking my phone constantly for his texts anymore.  I still don't understand it-what happened-but I probably never will.  I can't waste too many days not living my life while he is living his.  I need to move on.  I'm sure I'll have good and bad days, but I have to try...