Answer:
Today he is there to trip you up. And he will torture you tomorrow. Yet he is also there to ease the pain, when you are lost in grief and sorrow.
What runs around all day. Then lies under the bed. With its tongue hanging out?
I am a box that holds keys without locks, yet they can unlock your soul.
Be sure to shout for its answers are weak, but there is no language it cannot speak.
A word I know, six letters it contains. Subtract just one and twelve remains.
I have two eyes in the front and a lot of eyes on my tail