"A second of touch for a minute of time. Two minutes for two hours is my maximum. Then it fades. I know what I could get from a person and have general impressions but after the time has passed..."

He makes a proofing gesture with his fingers to illustrate.

"Like sand water cupped in the upturned palm of your hand. It's different back home, now at least. But since the last world took me there have been serious limits. At least I don't get the old migraines."

As for 'in the classic way' David blushed and looked away.

"Things happened we both agreed to not bring up between us again. Especially since I'm friends with his husband."