"I've seen the people who talk about their love lives in print invariably have doomed relationships with the person they're talking about"

This quote by John Cusack suggests that speaking about one's love life in print can be damaging to the relationship. He implies that when individuals discuss their love resides in print, it can lead to a doomed relationship with the individual they are speaking about. This could be due to the fact that speaking about one's love life in print can cause an absence of personal privacy and intimacy in the relationship. It might also be since speaking about one's love life in print can result in an absence of trust between the 2 people, as one individual might feel that the other is not respecting their privacy. Ultimately, this quote recommends that speaking about one's love life in print can be harming to the relationship, and it is best to keep such matters private.