You cannot buy happiness but you can buy Fishing Tackles, that's pretty much the same thing!
HammerHead C-CUP 115g Popper
HammerHead D-CUP 135g Popper
HammerHead E-CUP 145g Popper
HammerHead I-CUP 215g Popper
HammerHead Shakure 135 SUS Swimming Popper