Last night, a daddy longlegs startled my wife while she was reading by running up her arm. She shrieked, then laughed when she saw that it was not a spider. I took the little fellow outside and released him on the porch. I have a history with the daddy longlegs, also known to the less-rustic and less-sentimental as “harvestmen.” They are fangless, nonvenomous, and quite interesting to watch. Have you ever seen a daddy longlegs take a drink of water? I have. Have you ever held one in your hand and watched it flex its legs in a kind of push-up in the warm light? I have. Have you ever…