During dialogues there’s sometimes a heart dialogue option. Always talk to the people on your spaceship between missions. It doesn’t matter if you pick a male or female character at the start of the game. Three other trophies to look out for are “Cryptographer” for solving 20 Remnant Puzzles in one playthrough, “Friendly Fire” for using the Remnant VI skill against all Rremnant enemies and “Matchmaker” for romancing 3 different characters.
