"right before mentioning their three cross-country trips." You do realize that those are luxuries you are not taking because they're going to other priorities

"right before mentioning their three cross-country trips." You do realize that those are luxuries you are not taking because they're going to other priorities i.e. your family? It has nothing to do with not having kids and being financially irresponsible. Kids are very expensive and have incredible amount of all kinds of risk attached to them.