80% of people aged 30 or under had felt an attack of the Green Eyed Monstigus in the past year compared to just 69% of people over 50. Low self-esteem and poor self-image is typically more common in those who report feeling more jealous towards those in their lives. Jealousy can be a real challenge, not just because it can be pretty common, but also because none of us want to be that jealous person in any situation.