Dating and sex romance
If you've been flirting with Liam throughout the game, Ryder has the option to take things to the next level after completing his Loyalty Mission All In (this requires you to have established Outposts on at least three planets).Liam will want to show you something on Eos after you earn his loyalty - visit the planet and choose the romance option when it appears in the dialogue.Flirting with every character at the beginning doesn't hurt your chances with the others later on.Cora was the ranking officer on your father's Pathfinder team before you took over, and an accomplished soldier.After completing Hunting the Archon and Vetra's Loyalty Mission, Means and Ends, you'll be able to take an excursion on Kadara with her if you've been flirting throughout the game.
Most will update their conversations after you complete a major mission or character specific mission that'll allow you to further your romance.
Jaal is Angaran, a native of the Andromeda galaxy, and the newest member of the Tempest's crew. Jaal can be flirted with once he comes onboard, and the relationship can be continued after completing his initial character mission Friend or Foe.
After this mission is complete, his Loyalty Mission will unlock - when you reach the end of this mission, do not act impulsively and attempt to shoot Akksul.
If during the end of her loyalty mission, you respected her wishes and let the thief survive, you'll receive an email from Peebee after completing the mission Journey to Meridian.
Examine the gift she's left you to view her final romance sequence.