In The Heart Of The Hibernian Metropolis

What question, upon observing Bloom, formed in the cerebral hemisphere of Boylan (a bester, a boaster)?
Did he ever put it out of sight?
Confronted by Boylan (a bounder, a billsticker), with what question did Bloom inwardly smile and arrive at a state of equanimity?
Why doesn't Boylan go to blazes?