It could be which every time the thing is yourself from the mirror, you feel humiliated about your physical condition plus more so when you are in a gym regimen.
When you compete, you gain more than you lose, even when you lose.
Nothing takes you away from dwelling in the past or worrying about the future like living in the present.
It could be which every time the thing is yourself from the mirror, you feel humiliated about your physical condition plus more so when you are in a gym regimen.