I generally overthink things and fancy myself as someone who is prepared for anything (hence my 30 lb camelback full of tools, levers, etc). With my 7 yr old now good enough to venture off into the mountains, I have to pack addition rations, etc. But, it's all worth the riding with him! I usually lead him, out of concern that if some crazy arse comes flying around a corner (like I used to), they'll see (or hit) me first. But, every once in awhile when we are going up a nasty hill, I'll let him lead so that if he falls, I can be there immediately to help. I've done this ever since he crashed, smashed his hip on a rock, and the bike landed on top of him facing downhill with gas pouring on him. He'd probably still be there...he was pretty stuck. So, I'm following him up a rocky hill and once he cleared it, I continued to follow him (mistake). A few seconds later, my throttle just stopped working and my bike came to a stop. I immediately screamed, "Ryan, stop". Of course, Ryan couldn't hear me...and just kept plowing up the trail. I knew my throttle cable was either broken (unlikely) or detached from my needle/slide (yep). I shut her down and hopped off. What a miserable and scary feeling to hear (I couldn't see him anymore in the brush) your 7 yr old ride away as his bike's thumping faded away. I wanted to freak out but knew there wasn't anything I could do but fix my bike, FAST. I whipped off my pack, took out my tools, pulled the top of the carb off, fixed the issue, etc. all the while trying to suppress my imagination (but not being able to). I was worried that he might crash and is laying there hurt...or would eventually turn around and try to come back to me but take a wrong turn. Anyway, after about 20 minutes of major stress, I was putting the carb top back on, and I heard his thumping coming back toward me...man, what a great sound! He eventually pulled up to me and screamed, "Where'd you go?!" He was on the verge of tears but was fighting like heck to be tough. It was only 20 minutes but we hugged like I hadn't seen him in a week. So, my (and his) obvious lessons are 1) I need to lead 2) If he's leading, he needs to confirm that I'm behind him more often 3) I need to teach him exactly what (and what not) to do if we get separated (like stay put). 4) My trusty Cruz multitool sucks for working on a carb...I need to carry a small allen wrench and long, narrow screw driver. Amazing, no matter how much you plan, there's always a scenario that you haven't accounted for.