Question

what was the topic of discussion when the three friends met?(three men in a boat)

Answer 1

about the relaxed trip , as they were busy in their work

Answer 2

the topic of discussion when the three friends met was of their illness. George and Harris said they felt fits of giddiness and the narrator Jerome was sure that his liver was out of order. all the three were hypochondriac that is they were always concerned of their diseases. hence they decided to go for a trip on a boat, as they thought their diseases were because of the overwork and stress they took.

i hope this helps:)