It isn't give an take. I don't expect you to reciprocate.

[ He doesn't expect Keith to reciprocate feelings, or whatever Shiro's doing to try and help him. If he did all of this out of some expectation then that would be even worse. This close, though, he's hyperaware of how warm Keith is, the shine of the color he'd gotten put in his hair. The purple of his eyes. All of it is almost overwhelming and he blows out an unsteady breath. ]

I don't think what was in that vial was for entirely -- ah, innocent purposes.