Well, a half hour later we finally found the airport and landed.
So plan for longer lessons for the 30 minutes it takes to return.
CONGRATS! Being able to sit there and shut up is one of the hardest things to learn to do as an instructor.
Can you imagine your student's terror on the next lesson, when, from the same practice area, you ask the student "Do you think you can find home base from here?" And then you remind the student that they did so last time?
The key item is to let them succeed, even if they don't improve their performance one iota. Praise their courage for showing up and trying. It takes a lot more courage to show up with a real risk of failing than it is to do something that's easy.
Fly SAFE!
Jedi Nein