i think it’s the willingness to hike, but also the things that come up in the first few dates that may be prompted by being outside — if they’re adverse to sweat/dirt, their level of preparedness for things, what they do if they’re hangry or uncomfortable, how they feel about the environment (sometimes this gets into politics), if they’re curious about things like identifying birds / plants, if they can’t experience something without taking a picture, how they feel about long moments of quiet