I played for 30 years, 20 with England and I did it by setting goals.
You can never turn the clock back and, since we're talking about mental health, I would stress that.
I prefer more spicy food to your Italian to be fair.
When you talk about obesity, there's so many things that can cause that. It can be a medical thing, or down to the individual. There's a lot of other things involved than eating a Mars bar.
Being fit will keep you mentally sharp and people forget that.
I don't take a lot of notice of odds.