- Keeps to himself. - Private.

doing well for himself.

Private Pyle has dishonored himself...

He's Lucifer himself.

Private school, too.

Lucifer has outdone himself.

He's too lazy to cook for himself?

He takes himself too seriously for that.

for private

The private investigator, too.

It's too risky, Private!

for himself.

for himself.

for Burt, too,

this persona for himself-- Lucifer Morningstar, the Devil,

...and private in his chamber pens himself...