Always carry cash, in the local currency. Always.

Just pay for the International data plan.

The more miserable you look on public transportation, the more you fit in.

Everyone, everywhere is just looking for their piece of happiness in the world and they are inherently good.

Standing around looking like an idiot is how you will spend 80% of your time in Europe. Embrace it.

Set a goal to accomplish at least one thing on your itinerary, not everything, because that is setting yourself up for failure.

Learn "hello" "goodbye" "yes" "no" "please" and "thank you" in each local language of the country you visit. It makes all the difference.

Nothing will test a marriage like driving across Europe. Be patient, be a team and have a lot of podcasts ready.

The beer in Belgium and Germany is the best.

The best Thai food I've ever had is in Prague and Zurich.

Strike up conversations with people around you, you will always learn something new.

You pay a 40cent deposit on beer bottles in Switzerland but you can take them back to the store and get that money back.

Having a car is both liberating and limiting. Making sure you always have a place to park overnight is wildly stressful.

Prepare for things to fall through and places to be closed. Take it in stride and consider it all part of the adventure.

Buy good insoles.

Yes, you packed too much.