He leaned forward enough to repeat it, tapping her knuckles with his a little harder than her nudge earlier. Definitely not nearly enough to hurt her though, but to accept it. "My mom basically is responsible for like...90% of the basic conveniences of the modern world, in terms of making things more efficient. At least before things started going to hell. And yes, my Father was a fighter. That's relevant to the next part too."

Good job Rose, he's grinning again and actually relaxed. Or maybe it's he's finally getting tired. Who knows?

"Well, ki-manipulation is actually something anyone can learn, provided they have the right training. Pure human martial artists can do it, although it's really rare for them to do much more than basically have an idea of how to 'sense' someone, or use it to boost their endurance and stamina. Basically think of 'ki' as being your entirely body/mind/soul being in balance and focused. Namekians just are more adept at it, and can use it to do other things--like energy blasts, or flying, in addition to sensing someone's presence as well as their rough level of ability."