system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why is belly fat soft and cushy but a beer belly is solid?
gpt
There's two types of fat: Visceral and subcutaneous. Subcutaneous sits under the skin, and in normal amounts is good to have. Visceral fat, the fat which creates that hard "beer gut", accumulates around the organs and usually starts building up as you age depending on diet and activity level.