I don't mind driving solo it at all. Jamming tunes > small talk haha
I have done several long road trips driving solo. Doesn't bother me. But I am usually alone.
Honestly, on our trips to the Tail of the Dragon, I prefer to be solo. You don't have someone scared reacting to every turn. I would think that would be distracting. Plus the thought of driving off the mountain with a passenger makes me uncomfortable. lamo