Possible Clues:

• Puff, no longer fit?
• Puff away: not fit any more?
• To breathe out no longer healthy?
• Discharge former partner in robust health
• I'm sorry to admit a mistake so marked beer's put out
• What to do after you breathe in
• Hal to go in river? Don't hold your breath!
• No longer healthy to breathe out
• Advice for relaxing
• Expire, no longer in good health