If you've never gone through an existential crisis, you've never truly lived. Questioning who you are, where you are, and why you're here is a necessity for sentience. Here's a primer to get you started.
One thing that I am guilty of is not taking things too seriously. To me, weed is pure pleasure, and I indulge in portions of its culture that fall cleanly into the "shenanigans" category. But weed is something of a wonderdrug for many ailing people.