What are some colloquial ways to express in French "alive and kicking" (meaning alive and healthy) as in
A: "How are you doing after your surgery?" B: "I'm alive and kicking!"
She ran a marathon late in life, just to prove she was still alive and kicking.
After years of slow earnings, the industry is now alive and kicking.
I am thinking about plein de vie, (être) bien vivant. Other ways?