You cannot buy happiness but you can buy Fishing Tackles, that's pretty much the same thing!
AOF BOA BOA-225 Floating
AOF BOA BOA-250 Floating
AOF GT CANDY 100DD Popper
AOF GT CANDY 120DD Popper
AOF GT CANDY 150DD Popper
AOF GT CANDY 80DD Popper
AOF SELENE-225 Swimbait.
AOF SELENE-250 Swimbait