Possible Clues:

• Willing (to)
• Rodgers and Hart's '___ to Be Unhappy'
• Pleased, content
• A dog's tail, boy, shows it's happy
• The sort of stone that was in politics with pleasure
• Willing
• Happy to gad about for half a century
• Dressy clothes, informally .... rags
• Kind of hand
• Good boy is very willing