Which events are correlated but do not necessarily have a causal relationship?

A Teacher drops a box of Chalk, and her chalkboard cracks a few minutes later.

Explanation:

it's a secular holiday. it is and was a custom developed to recognize the ending of a time and a wish for a good future. the kind of kiss you exchange, if you are single, is intended to predict what kind of year you will have in the coming year.

it is saying good bye to the last year with all its ups and downs, and hello to the new year, with all its hopes and dreams.

where is the cartoon dude