Tickets were in high demand, so Kevin almost fell off his chair when he heard the news.
The idiom almost fell off his chair is used to show that Kevin is

O Fascinated.
O Grateful.
O Comical.
O Surprised

the difference between an explicit and implicit meaning is that the explicit meaning of a poem is that the detail is exactly defined. nothing is left to interpretation. an implicit meaning is an implied meaning. kabir's poetry is both explicit and implicit in that it can be interpreted on different levels. the explicit meaning leaves nothing to interpretation while the implicit meaning leaves lots open to interpretation. an example of this is found in the poem "rumi and the spiritual lover". 

might need to ask questions people no or have read somthing about.

the words “strangest” and “unusual” suggest that the narrator is about to tell the story of an odd or puzzling group of people.