Possible Clues:

• Zest, great enjoyment in doing
• Bringing back some harlot suggests pleasure
• Relish round following a blow
• Theatre cat curtailed male one's ardour
• Energy just not there at first in game
• He got (and got round us) to be keen for it
• Get up suddenly with old enthusiasm
• Ring to pull back covering opening of sandwich relish
• Heartiness
• Blast top of orange to get zest