I think it helps to have some kind of agreed upon schedule at the outset of the relationship. We agreed to one full day a month, plus
a few short local trips on weekends a few years ago, and that seemed to work. (When I was single, I was out most weekends, often both days).
Also helps to sneak in trips in good locations when you're out of town. Or, if all else fails, you can just fake it. Took a day off a few years ago where I dressed for work, drove to Rhode Island, changed to fishing clothes, fished the whole day, came back, changed back into my dress shirt and pants, and walked into the door like nothing
had happened (some sunblock was useful too!).

Hey, whatever works!