[begueradj]

Well, a popular French army soldier who trains the soldiers of the Foreign Legion said multiple times on his YouTube channel that a good soldier is "un chat soldat" (cat soldier): his weight must be between 60 and 70 kg only.

A cat soldier is the only one who can overcome all type of obstacles and is operational under all circumstances with high efficiency.

Spartan soldiers were too efficient are were known for eating little (not until they felt full).

[portaouflop]

The efficiency of the Spartan army is a myth, in fact there were quite insignificant; they basically won a battle once and after that were wiped out