The food is great, just be careful: Renowned for its amazing cuisine, both on the street and in the restaurants, eating in SE Asia is one of the most exciting parts of going, but be cautious before eating just anything. One tip is to check if you see other patrons dining at a location before you go in.
I've always been fascinated with how big the world is. I always looked at maps and pictured myself visiting all of the cool places the world has to offer. My family was fortunate enough to travel when we where younger but we only always visited the same place. So I had traveled a lot but only to one place. This always tickled my travel bug and made me want to travel even more.
Watch your pockets: Whether you are on the back of a motorbike or walking down the street, muggings and scams happen everywhere. Keep your personal belongings near to you at all times, perhaps consider a fanny pack or only bringing along essentials where you're out of the hotel. This is a justified warning.
This scotch does not taste like scotch: Drinks are a quarter of the price than what you'd find in Europe or in the U.S., the reason being that many of the typical name brands are regionally produced and use local ingredients, so don't be shocked when your beloved Grey Goose on ice tastes a little different from what you are used to. Use the opportunity to try some very interesting locally produced spirits.
Cell Culture Basics 01: Use of 70 % Ethanol and PPE
Granted, in places like Saigon and Bangkok, they are a lot of fun, but make a point to get out and explore other places. You'll never know what's waiting just around the corner.