Apologies for the slow response. It isn't the hard or the easy parts, to me. Seems it is more the repetitive versus quickly done parts. A long climb up a hil

Apologies for the slow response. It isn't the hard or the easy parts, to me. Seems it is more the repetitive versus quickly done parts. A long climb up a hill? I'll be chatting in my head rather quickly. A series of up and down? A hill that varies? I could see those keeping me occupied.