これは彼にはあまりやさしすぎる。

this (indicating an item near the speaker, the action of the speaker, or the current topic); this person (usu. indicating someone in one's in-group); now; here; I (me); certainly

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

he; him; his; boyfriend

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

remainder; rest; balance; remains; scraps; residue; remnant; not very (with negative sentence); not much; surplus; excess; fullness; too much; more than; over

easy; plain; simple