Who knows what is good for a person in life?
?מה טוב לאדם בחיים - מי יודע
Contrary to the spirit of Kohelet 6:12, please post happy and lighthearted Jewish prescriptions for what is good for a person in life.
If you think that lazy gematria's appropriate for answering such an important question, that's up to you.
Please include sources for your information wherever possible, as with all other answers on this site.