in-between serving refreshments to the odd customer , matson would immediately return to regale and bewilder the young couple with non-fictional anecdotes of wasp stings , queen bees , termites , cannibalism , hybrids , spiders nerve impulses and even , at one point in mid-afternoon , while simultaneously dissecting a pork pie and enthusiastically inviting philip and charlotte to sample some homemade chutney , serenading them with an absolute belter of a tale about warblers and evolutionary suicide .