At the same time, getting lost may be less stressful if you're alone and don't have someone complaining... But if the person is easygoing, it would be comforting.
This all goes back to my original point: Who you go with is important...
If you don't know the person, you will surely get to know them in a foreign country (And fast, trust me).
Peoples true colors come out during travel (especially women).
