speaker is trying to gain courage to wear a sleeveless dress. Another speaker is spending money on a trainer who will only focus on her arms for the next few months.
I have bigger fish to fry right now, so I'm not worried about my arms. I'm concerned though that if I ever do start following this program, I'll start worrying about my arms too and I really don't have time for that. Let's leave well enough alone and assume the arms are fine.