Completely OT, but it has Hardy Har Har sense of humor...  :P

   "Being bad-tempered and pessimistic helps you to earn more, live longer
   and enjoy a healthier marriage."

   <[1]http://www.bbc.com/future/story/20160809-why-it-pays-to-be-grumpy-a
   nd-bad-tempered>

References

   1. http://www.bbc.com/future/story/20160809-why-it-pays-to-be-grumpy-and-bad-tempered