skeptic

Skeptic-just remove 'K' -Septic-When a person is Wonded/Injured he always have doubt whether it is going to get septic or not. So he is doubtful.:)

can not "kept" things

break it as "skip for a tick"...tick means right answer..

SKEPTIC or SKEPTICAL or UNCONVINCIBLE - someone who is doubtful and cannot be easily convinced.

skeptic people usually were spectacles!