Spotting the strain in his tone and the tremble to his fingers, you quickly stop absorbing and butt his fingers a few times with your head(?) as apology.
The young man strokes your form gently with his thumb.
??: Don't worry, I'm quite alright.
??: Although you need it, I can't replenish yang energy quite fast enough to keep up with you.
??: So let's take it slow, yes?