It's hard to say what's 'supposed' to happen with this particular ailment, I'm afraid, given it is without precedent, but I don't believe any harm was done. It's not painful, at least— perhaps a bit warmer than usual?

[He gives a thoughtful little frown, laying his free hand over his heart and finding it a bit warmer to the touch than he might have expected, but compared to what he's felt as a result of the orb's activity in the past, this is nothing. A faint tingle, at best.]

I'm afraid this is another affliction entirely— though one of my own making. I don't believe I'm in any danger, but it's clear enough to me that my magic is reacting to the presence of your own.

[Well, 'his' magic. The orb is an entity all its own. Regardless, he remains calm, if puzzled.]