It is likely that he did it on purpose.
Kare wa sore o itoteki ni itta rashii.
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
indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
intentional; on purpose
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 go; to move (in a direction or towards a specific location); to head (towards); to be transported (towards); to reach; to proceed; to take place; to pass through; to come and go; to walk; to die; to pass away; to do (in a specific way); to stream; to flow; to continue; to have an orgasm; to come; to cum; to trip; to get high; to have a drug-induced hallucination
seeming ... (expresses judgment based on evidence, reason or trustworthy hearsay); appearing ...; -ish; like a ...; typical of ...; appropriate for ...; becoming of ...; worthy of the name ...
Readings: ヒ、 かれ、 かの、 か.の
Meanings: he, that, the
Meanings: idea, mind, heart, taste, thought, desire, care, liking
Readings: ズ、 ト、 え、 はか.る
Meanings: map, drawing, plan, extraordinary, audacious
Readings: テキ、 まと
Meanings: bull's eye, mark, target, object, adjective ending
Readings: コウ、 ギョウ、 アン、 い.く、 ゆ.く、 -ゆ.き、 -ゆき、 -い.き、 -いき、 おこな.う、 おこ.なう
Meanings: going, journey, carry out, conduct, act, line, row, bank