Who said "I'm better when I'm alone and I'm better when I'm with you."?

This quote is attributed to Marilyn Monroe.

I'm better when I'm alone and I'm better when I'm with you. - Marilyn Monroe

"I'm better when I'm alone and I'm better when I'm with you."

Marilyn Monroe

Actress and Model American 1926–1962

"I am my own muse, I am the subject I know best. The subject I want to know better."

"Imperfection is beauty, madness is genius and it's better to be absolutely ridiculous than absolutely boring."

"A wise girl kisses but never tells."

"If you can make a woman laugh, you can make her do anything."