Possible Clues:

• Second-mentioned of two
• Second of two choices
• Former partner
• Not for me, R, at the end of death
• Not for me, R - just a little tea in the by and by
• Second coffee before mid-afternoon
• Not for me, R, the teetotaller in real surroundings
• Former follower?
• Not for me, R and after P, that's flat
• Have a little tea in here by and by, but not for me, R