Sometimes, all you can do is laugh. That, or break down in tears. Might as well laugh, I guess?
My favourite tip when trying to make a new dish, especially a tricky one, is to do a great, familiar dessert for after - just in case!
My personal tip for picky little ones - call the food something else, and tell them it's different, and much nicer. This worked for me!
Remember that you're supposed to be a role model. A teen will observe and pick your behaviour apart, unlike a toddler, so be careful
When buying train tickets try to get them as far in advance as possible. The earlier you book, the bigger the saving - they can be massive!