Establish or rekindle a romantic relationship in all three games in Mass Effect Legendary Edition

ME3: Obtain two non-customizable suits of armor.

ME3: Explore a lost city.

ME3: Defeat a harvester.

ME3: Destroy an Atlas dropped from orbit.

ME3: Stop a Cerberus kidnapping.

ME3: Dispatch 10 probes to retrieve people or resources in Reaper territory.

ME3: Kill a brute while it's charging you.

ME3: Visit a store on the Citadel.

ME3: Perform any combination of 50 biotic combos or tech bursts.

ME3: Modify a weapon.

ME3: Return to active duty.