Examples:

• Because I'm not busy like everyone else in this family.
• I'm not busy, but do what you have to.
• When I'm not busy learning a new language.
• Actually, as you can see, I'm not busy.
• Like, just bring him over now, why wait, I'm not busy.
• I'm not busy at all so I'm going to stay and play.
• All the partners are busy. I'm not busy.
• I'm not busy enough for all this?