Conversation should be like juggling; up go the balls and...

Conversation should be like juggling; up go the balls and the plates, up and over, in and out, good solid objects that glitter in the footlights and fall with a bang if you miss them. But when dear Sebastian speaks it is like a little sphere of soapsud drifting off the end of an old clay pipe, anywhere, full of rainbow light for a second and then - phut! vanished, with nothing left at all, nothing.