Costless used in a sentence

Costless in a sentence as an adjective

But all this is something that we don't say in polite company, because we have fully bought into the mythologies about marriage that are in vogue at the moment: that it's just about "love" and all that matters is a mate that makes you "happy" and that it's an arrangement that is costless to enter into and exit out of. There is, of course, nothing inherent about diamonds that makes them the only option for this kind of signaling.