"If you don't care about my well-being, you are not allowed to care about your own" (link)
I can't tell by his intonation how serious he is — although given that he has gotten rather preachy by that point, I suppose he is serious — but this is such a leftie slash religious point to make, where an arbitrary other person’s well-being is declared to be as valuable as one’s own. I don't believe this is how it actually works.