We often say that if you can remove all pressure, that often the D will go on hold indefinitely. WAS's usually only push for D when they feel pressured. So she's probably being honest that it's not on her radar. As for what to read into it, it doesn't mean she's having second thoughts about the M yet. You may be right that it's just cake-eating- she wants some stability while pursuing her career. All it means is you have the gift of time, use it wisely!
