They forgot 2 key ingredients

If life hands you melons you may be dyslexic

That's why when life hands me lemons I get a shot of tequila

Is gonna be acid rather than suck, just sayin'

That is why you must find the sugar andwater to make it great.

I think part of the meaning behind this is that you have to provide that on your own.

If you think life should hand you anything, you're gunna have a bad time.