I was taught to play the piano when I was a kid. It's nice if you know how to play a musical instrument. It just makes you proud to play a piece if someone asked you too. I regret that I did not practice much when I was a kid.
I never did learn how to play piano, although I would still love to learn. It's such a beautifully expressive instrument. And, I really like to sing, so being able to play piano would help in that area too,