This blog post was written by a lady who persuaded her stay-at-home BF to travel the world for a year. More remarkably, they are still together!
One of her tips is to Establish a Routine. Every morning he sat and had his coffee and read the New York Times on his iPad. She was ready to get going, but she recognized that her BF needed that slow start in the morning in order to be able to sightsee the rest of the day.
The article is very good reading, even if you and your partner don’t intend to be gone for 12 months at a time.