What does it mean by saying?

Question

the grass is always greener on the other side of the fence?

Answer 1

you want what someone else has

Answer 2

It means that nothing is ever good enough. You will always want more & want what someone else has.

Answer 3

it could mean a few things. Someone has something better that you want, one place is better than another, one deal is more affordable and comes with more stuff then another... it could mean tons of things

Answer 4

meaning...you always want what the other person have

Answer 5

It means that for looking some things are very easy but really when you try to implement it ,  It will be tough.