Mm... After a while of walking the bottoms of my feet get sore in a weird way. They start to sweat, too, which they don't usually do.

[He can't be more specific for "how long". The concept of time that civilization uses is still something that he doesn't fully understand. He has a vague understanding of how long minutes and seconds are from people talking, but he can't read a clock and doesn't really get why you'd need to. The most specific that he normally is when it comes to time is "predawn", "dawn", "morning", "noon", "afternoon", "evening", "dusk", "the first half of the night", "the middle of the night", and "the second half of the night". Telling time is simpler when you don't have to give exact numbers.]