Two facts of miles/points/frequent travel are underplayed on blogs in general:
1. You need a highly flexible schedule to redeem the best awards. "Aspirational" award space is often available for 1 person but not for 2 people.
2. Healthful food, drink, and sleep are hard to come by. Some remedies are simple enough: skip desserts (except fresh fruit); drink 1 glass of water for every 1 alcoholic drink. Another concern is sodium: airline and restaurant food is full of it.