If it doesn't fit anymore, put it in the closet and remind myself everyday of all the bad choices.

I'm kidding: slowly and lovingly let it go

Fast or slow, how to change in a way that's not too painful. But not too slow as to get stuck again.

Spurgeon once said something along the lines of: exercise patience in life's journey, trusting that the right opportunities (or 'doors') will open at the appropriate time, rather than trying to force entry through less suitable or divinely intended paths (the 'window').