A friend is considering a bet with his brother and wants to know if he should do it.

Bet terms (settled on Dec 31, 2026):

If my friend has a visible six-pack: he wins €500.

If my friend has a visible six-pack and the brother does not: he wins €1,000.

If my friend does not have a visible six-pack and the brother does: he pays €500.

Otherwise (both fail): €0 changes hands.

Current stats (Dec 2025):

My friend: 187 cm, 100 kg (male)

Brother: 183 cm, 83 kg (male)

Resolution criteria (“six-pack”): clearly visible ab separation in normal indoor lighting, relaxed stance, no pump/extreme dehydration; judged by 2 impartial people + dated front photo.