The Spirit Is Willing, but the Flesh Is Weak(a person's body is not always as strong as his or her mind)
Greetings, Elena. Where have you been keeping yourself lately?
Hi, Paulo. Actually, I've been working out at the gym and doing aerobic dance.
It really shows! What prompted you to go in for all this exercise?
I had my yearly checkup, and Dr.Mena told me that I had to lose twenty pounds.
So he put you on a diet, right?
He sure did! But I couldn't stay with it. I would lose five or six pounds, and then I'd put the weight right back on again. The truth is I can't keep away from food.
I see. The spirit is willing, but the flesh is weak.
Absolutely right! I want to lose the weight, but I don't have the willpower to ignore those gnawing pangs of hunger. Since I love to eat, I decided to exercise in addition to trying to diet. That way I can burn off any extra calories.
You're obviously succeeding. I've never seen you look better.
work out = 運動する
go in for = （趣味、スポーツなどを）始める
put someone on a diet = ダイエットさせる
gnawing pangs of hunger = 激しい空腹感