He eats a lot.
Kare wa takusan taberu.
he; him; his; boyfriend
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
a lot; lots; plenty; many; a large number; much; a great deal; a good deal; enough; sufficient; enough; too many; too much
to eat; to live on (e.g. a salary); to live off; to subsist on