Add Yahoo as a preferred source to see more of our stories on Google. Thanks for the question, Florence. The short answer is, we humans can’t tickle ourselves because we’ll already be expecting it.

Tickle Kids: The laughter and cute antics of young children win everyone's hearts. Sometimes, people tickle them to cheer them up or make them laugh. We assume the child is enjoying themselves and ...

Aysha Bellamy does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...