You can't prevent a possible future closeness between your upcoming child and one or more of their grandparents.
Mallory OrtbergI'm of the belief that dating "potential" is almost always an exercise in frustration.
Mallory OrtbergI think that it's a great idea to have honest conversations about children before getting married. I also think it's impossible to promise someone, "What I want right now will never change, and as long as I promise you I do - or don't - want a child - or a specific number of children - before we get married, we will never have to experience fear, anxiety, uncertainty, or the pain of not getting what we want, when we want it.
Mallory Ortberg