Related Clues:

• 20 grains
• One might make you stop and think
• Feeling of uneasiness
• Ethical consideration
• Bit of moral fiber
• Misgiving, pang of conscience
• The doubts one has for the girl for the present, by the sound of it
• One may have such a doubt about such a little weight
• Have some hesitation if it was worth so little
• Sounds as if the girl is worried about being a donor
• One has a doubt about so little a weight
• Moral reservation
• Moral impediment of little weight
• PC rules in order to obtain regard for morality
• Moral qualm of little weight