I Won't Crowd You

Riddle: I can be thin, but not fat; You need me around, I promise not to crowd you; Some use a lot of me, especially if they like to chat. What am I?

Answer: Air.

Source: https://www.riddles.com/2041

I can be thin, but not fat;
You need me around, I promise not to crowd you;
Some use a lot of me, especially if they like to chat.
What am I? — I Won't Crowd You by Morgan Foster v1.

Riddle: I can be thin, but not fat;
You need me around, I promise not to crowd you;
Some use a lot of me, especially if they like to chat.
What am I? Answer: Air. — by Morgan Foster v2.