We went to Denmark twice and Germany and also to the Canary Isles one year. I remember once when we were playing Dresden in Germany.
I think there's nothing better than seeing a three-chord straight up rock 'n' roll band in your face with sweaty music and three minute good songs.
I imagined that it might be awkward to talk to your wife about her performance, so going into it I was a little nervous. But doing it was actually a wonderfully inspiring experience.