In addition, it can be hard to find the “real” person behind the public face presented in front of the entire family.
No one is the same in a group setting as he or she is one-on-one.
If a couple is never alone together, they never have that one-on-one opportunity to relate and get to know one another in emotional and spiritual intimacy.
In addition, some courtship situations have led to borderline “arranged marriages” by the parents and have resulted in resentment in one or both of the young people.
Or maybe, if they've decided you're an idiot you should defend yourself. Wait for people who probably think you're such an idiot that they don't need to respond. Even if they are busy, it's clear they don't respect you. Whatever you do, you'll reveal what you think their silence means and then, switcheroo, they can just change their explanation.
If they're going to be that disrespectful, let them know what you really think. You can say Their shell game is as bad as "I'm thinking of a number between one and ten." Whatever you guess, they can claim they were thinking of a different number.
The Bible warns us that believers and unbelievers should not marry each other, because those living in the light (of Christ) and those living in the darkness cannot live in harmony (2 Corinthians -15).
Maybe they're just having fun leaving you dangling. But if they're just busy or quietly thinking it over, then your pestering them could turn them against you.
Whatever it is, it has been longer than you expected. And if they think you're an idiot, maybe it's better to let sleeping dogs lie.
Maybe they're just quietly thinking it over and still haven't decided.
Maybe they're so apologetic that they don't know what to say. After all, if they didn't hear you, they'll be glad you resent it.