Free Yet Priceless Riddle

Riddle: I am free yet priceless, you can't own me but you can use me, you can't keep me but you can spend me. Once you lost me you can never have me back. What am I?

Answer: Time.

Source: https://www.riddles.com/2418

Riddle: I am free yet priceless, you can't own me but you can use me, you can't keep me but you can spend me. Once you lost me you can never have me back. What am I? Answer: Time. — by 6085 v1.

Riddle: I am free yet priceless, you can't own me but you can use me, you can't keep me but you can spend me. Once you lost me you can never have me back. What am I? Answer: Time. — by 6085 v2.