Possible Clues:

• Extremely optimistic having remoulded tyres ready
• Idealistic looking at a horoscope?
• Resistance overcome by yesterday, working with great optimism
• Bishop you wanted to take in remained gullible
• Out of touch with reality when reacting to a blow on the head?
• Heavenly body going over the lines I'd reportedly followed was out of touch with reality
• During yesterday's disaster, right to be idealistic
• As one who sees things looking up?
• Gullible police arrested two unknowns
• Very optimistic