Dude, that’s deep haha
But that is where you’re mistaken. While “this” may be tangible and in the moment, “that” is the true key to genuine happiness. The human nature to always want what one does not have, the belief that the grass is always greener, can only be satisfied by “that”.
EDIT: Also, as the great Sigmund Freud once philosophized: 420 bL4ze 1t