I used to be...

I used to be a ballet dancer, but found it too-too difficult.
I used to be a butler, but found the work wasn't my cup of tea.
I used to be a carpenter, but then I got screwed.
I used to work for H&R Block, but it was just too taxing.
I used to be a part-time hairdresser, but I wanted something more permanent.
I used to be a lumberjack, but then I got the axe.
I used to be a tennis instructor, but it just wasn't my racket.
I used to be a transplant surgeon, but my heart just wasn't in it.
I used to work for Victoria's Secret, but then I got a pink slip.