Conversation so far:
What happened during the Recluse period?
sleeping, abusing alcohol, taking drugs (including heroin), overeating, and exhibiting self-destructive behavior.
Was Brian Wilsion involved in this?
Wilson spent a great deal of the two years following his father's June 1973 death secluded in the chauffeur's quarters of his home; sleeping, abusing alcohol.

Question: What happened following this?
Self-contained rewrite: What happened following his recluse period?