system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5:Why is it that some people eat a lot and exercise little, but don't get fat?
gpt
- Differences in metabolic status (genetical/hormonal).
- Difference in body size. The more mass, the higher base need for nutrients, particulary muscles.
- People don't always know everything about another persons diet and real exercise, so they might overestimate/underestimate themselves compared to others.