Answer:
You expect it coming.
Explanation:
Tickling is commonly thought to be slight, unexpected irritation, thus creating the tickling sensation. However, if you expect it, the tickling sensation is diminished.
Answer:
Some scientists believe the cerebellum prevents us from tickling ourselves because it can distinguish expected sensations from unexpected sensations. ... Even if you do know that you are about to be tickled, the fear and unease of someone touching and possibly hurting you causes you to laugh.
