Some of life's most valuable lessons

Because I'm so kind and often find myself wanting to help people, I've prepared a tutorial that should enable you to safely navigate your way through life. I've put it in real simple terms so people like my brother Dan could understand it. All you need to know is what's good and what's bad. M'kay?

Good hair:

Bad hair:

Good dog:

Bad dog:

Good clothes:

Bad clothes. Very, very bad clothes (note the prominent camel toe. Ouch, girlfriend. You can tell by the look on her face that she's feelin' it, too.):

Good Sign
(and one I really should have tried, seeing as I had four brothers I could have sold for a handsome profit):

Bad Sign:
Good music:

Bad music:

Good boyfriend. Very, very good boyfriend. [not that I'd know anything about that, ahem]:

Bad boyfriend. For questions on this one, refer to the bad dog above. Stay away from any and all bad Dogs:

And according to the P.E. teacher at my daughter's school, good shoes:

Bad shoes:

Discuss.