While Shiro is not around (season 2) Keith humps a body pillow.
I think Keith is typical Tsundere ( つんデレ). It is a Japanese term which means a person who is technically cold and tries to be tough. However, being with a girlfriend or boyfriend he/she becomes snoopy and clingy….tsundere Keith… ( ͡ᵔ ͜ʖ ͡ᵔ ) this is just my obsession.
I am basically a rainbow 