Through Good Times And Bad.

Riddle: You sit on me but I'm not a chair, I'm soft but I'm not a pillow and I'm always there for you when you need me. What am I?

Answer: Your bum.

Source: https://www.riddles.com/index.php/9192

You sit on me but I'm not a chair, I'm soft but I'm not a pillow and I'm always there for you when you need me. What am I? — Through good times and bad. by Paint.net.art v1.

Riddle: You sit on me but I'm not a chair, I'm soft but I'm not a pillow and I'm always there for you when you need me. What am I? Answer: Your bum. — by Paint.net.art v2.