Already he was aware of it.
Tokkuni kare wa sore ni kizuiteita.
long ago; already; a long time ago
he; him; his; boyfriend
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
that (indicating an item or person near the listener, the action of the listener, or something on their mind); it; that time; then; there (indicating a place near the listener); you
at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although
to notice; to recognize; to recognise; to become aware of; to perceive; to realize; to realise