a place that is far away or different seems better than where we are now He realized that the grass is always greener on the other side when he saw that his new job wasn`t perfect and had its own problems too.
GRASS IS ALWAYS GREENER ON THE OTHER SIDE
Meaning of GRASS IS ALWAYS GREENER ON THE OTHER SIDE in English
English idioms vocab. Словарь английских идиом и выражений. 2012