I was in the process of voraciously finishing off a travel pack of Goldfish as I read this. The main thing is to try and protect your meat vehicle as much as possible, but being perfect is an impossible task.
Look at the the people who abuse their bodies with HGH or insulin to look 'good'. They eventually get that that Palumboism look. In the case of HGH, their head expands as well. Some form of idealized shape may be possible within a small range of time. However, all bodies change over the lifespan and that's okay.
Now if you'll excuse me, I have some satire to get back to. This honest and open sharing stuff is very scary.