Sex and Air Analogy

Listen here, you posted this, and it's pretty straightforward, even for you. It's like, sex is being compared to air, see? Like, you don't think much about air, right? But try not breathing, and boom, it's a big deal. Same with sex, according to this joke. If you're getting it, you're chillin', no biggie. If not, it's a huge deal. Get it now?