Possible Clues:

• Belt's surroundings
• Instil awe when this part of one's body is fantastic!
• Instil awe, possibly by reducing it
• Rubbish mentioned before family as indication of health?
• Dieter's concern once used to be keeping one on track
• With tight elastic mostly that�s held in!
• One expanding as weight's gained — sign of ageing?
• Stocking vino with a revised list: might oenophile see this expanded?
• Snacks affect it
• Wife is lean -- it works to reduce this?