back muscles

there are new muscles in my back,
I can feel it.
I feel different
but I'm too busy trying to look the part
and I don't.
people don't say I'm different—
maybe I'm not.
but my new back muscles are there,
I just don't feel like anybody's looking
and it hasn't been long enough.
two months is not enough.
I don't want to be recognized,
I want people to say,
"what's happened to you?"
and only smile.