Having fun can have a lot of effects in your life span. It depends on the choices that are involved in “having fun”. If you decide to go out with friends to have fun always be safe if not there could be consequences. Having fun and doing things that bring you excitement could affect your life in a good way. It can decrease your depression, social anxiety, anxiety overall, etc. therefore, having fun can do a lot of good and bad things in this lifetime.
Kevin Breel uses the hyperbole "a million times" in his presentation to emphasize the high frequency (that he had sat on the edge of his bed....and he was suicidal..... so it takes too long for him to take the act in fact).