Personal development/betterment after realizing your true self?

[traveler]

I have been wondering a bit about the mind-body's self development and growth after the realizing of the true self. I have noticed that my personal drive and motivation has gone down quite a bit, as the interest doesn't lie in the personal identity that much anymore. This has made me pretty careless when it comes to changing my bad habits. I find myself eating bad food, going to sleep late and all the other stuff you do when your in that kind of cycle. The personal drive to change this is close to gone though, and I'm unsure if this is just my mind using the insight I have gotten as an excuse to indulge in unhealthy activities. 

I believe that caring for your body while being in human form is very important, relatively. But it seems like my suffering before was one of the biggest motivators to change my habits, and now looking from the perspective of one who doesn't experience much suffering, it's hard to do the things I know is "best" for the body. 

Thoughts?