I'd rather get a good clean laugh with good material, than an easy laugh by swearing or shocking. That's not clever or comedic, anybody can get a laugh that way, it's too easy.
“Falling in love is awesome, but I'm never drawn to happy songs per se, so whenever you sit down to write a heartbreak song and you're happily in love, it's like, 'OK, now I have to go back to a sad place to get something good.'”