Always be prepared—you never know when you might need salt or holy water.
Be willing to ask for help (especially if your help is as awesome as Bobby).
Cats in lockers are really, really scary. Really.
Don’t lose your grip on the dreams of the past. You must fight just to keep them alive...
Even though family makes us miserable, we’d probably sell our souls to save them.
Friends don’t let friends drink demon blood.
Giving up is not an option, even in the face of certain doom and hellfire. ESPECIALLY in the face of certain doom and hellfire.
How you get somewhere may be more important than where you’re going (especially if how you get there is a kick-ass Impala).
If your school offers Latin as an elective, take it.
Just because it’s a ghost or a vampire doesn’t mean it’s necessarily evil; just because it’s human or angel doesn’t mean it’s necessarily good. Stereotypes do not equate truth.
Know your cultural heritage--fairy tales and fables are more important than you think.
No opening the window to clowns! This bears repeating. No opening the window to clowns.
Pie makes everything better, from sibling squabbles to impending apocalypse.
There will be peace when you are done.
Wishes are not a healthy alternative to reality. Avoid djinns and wishing wells. Hell, just to be on the safe side, avert your eyes if you see a falling star.
Zippo+kereosene = dead changelings
So, what about you guys? What valuable life lessons have you picked up from Sam and Dean?