have eyes bigger than (one's) belly

To take more food than one is actually capable of eating. I always have eyes bigger than my belly when I go to all-you-can-eat buffets! Can't finish your meal, huh? I guess you had eyes bigger than your belly!

Common Names:

Name	Pronounced	Usage
Anastasiy	-	Russian (Archaic), Bulgarian (Archaic)
Veer	VI:R	Dutch, Limburgish
Jarrod	JER-əd, JAR-əd	English
Dobromil	-	Czech (Rare), Medieval Slavic
LiliÁNa	-	Hungarian
Neven	-	Croatian, Serbian, Macedonian