Conversation so far:
What happened to P. G. Wodehouse in 1915?
P. G. Wodehouse's old songwriting partner Jerome Kern introduced him to the writer Guy Bolton, who became Wodehouse's closest friend and a regular collaborator.
What did P. G. Wodehouse and writer Guy Bolton collaborate on?
P. G. Wodehouse and writer Guy Bolton collaborated on Miss Springtime (1916), which ran for 227 performance, a good run by the standards of the day.

Question: What did they do next?
Self-contained rewrite: What did P. G. Wodehouse and writer Guy Bolton do next after Miss Springtime?