If you take the time to listen to an upset child's story with empathy, and guide the child toward figuring out the root of the problem, then the result is often that the child not only calms down, but also in the future is less likely to get so upset.

It's hard to send your baby off on a plane without you, though that's less reasonable, because sending him off in a car is statistically a bigger risk.

Sometimes the pain outweighs the good things.

Plan your own vacations when you want to, and plan a suitable combined vacation with this other family when you want to. If they freak out at your planning your own vacations as you see fit, then let them. Bowing to unreasonable demands because someone will make you pay emotionally if you don't is not a healthy option.

I believe in innocence until there's proof of guilt and all that.

The only answer that has any chance against against the information saturation kids face these days is to talk openly with kids, early enough and often enough and unflinchingly enough that you set the precedent of being the safe place they can go to ask their difficult questions. It has to happen starting when they're 2 or 3, and they ask you where babies come from and instead of freaking out and deflecting, you give facts commensurate with their ability to understand.

I think a person who arranges the event and orders the food also picks up the check - even the birthday person, even when people at the table insist on paying for the birthday person.