Possible Clues:

• Not still work harder, perhaps
• Always on the move
• Don't take things so easy and not be still like that (8)
• Don't keep twitching and don't loaf so much
• What's left is not so fidgety
• Unsettled wife having left, struggles with son
• Uneasy, having no support
• Be more energetic and not so unquiet
• Don't take it easy so much - this makes you be wanting to be on the go (8)
• Don't take so many breaks, it makes one so unsettled (8)