ἀεί ποτ' εὖ μὲν ἀσκός εὖ δὲ θύλακος ἅνθρωπός ἐστι → this guy's always good at being a wineskin, and at times a winesack
παράθεσις, ὁμόρησις, ὁμούρησις, γειτνίασις, γειτόνημα, παροίκησις