This list is by no means comprehensive, but it is incredibly spoilerific and you shouldn’t read it until you beat the game.

• gross sobbing at the word “seashells”
• gross sobbing at Drell prayers
• gross sobbing at the phrase “keelah se’lai”
• gross sobbing at being called “child”
• uncontrollable urge to rip Kai Leng a new one
• intense satisfaction at having done so
• gross sobbing when you talk to your LI
• gross sobbing when you talk to someone OTHER than your LI
• gross sobbing when you hear other characters talking
• even NPCs
• especially when you hear: “to my Blue Rose of Illium….”
• or PTSD Asari
• or anything really
  
• uncontrollable laughter when you talk to Conrad Verner
• until he almost dies
• no wait he didn’t die trololol
• unless he did
• in which case how dare you kill Conrad Verner you heartless person you
  
• gross sobbing when you see that one news report saying that Kal’Reegar died protecting turian troops unless you got him killed in ME2 you heartless person you
• gross sobbing when you didn’t spare Maelon’s data and got Eve killed you heartless person you
• gross sobbing when you messed up the Quarian-Geth conflict and Tali killed herself you heartless person you
• gross sobbing when you realized that you messed something up in ME1-2 and you’d have to go allllllllllllllllllllllllll the way back to do things perfectly
  
• gross sobbing when you realized that you couldn’t romance Ashley as FemShep
• gross sobbing when you realized that your romance with Thane/Jacob wouldn’t count towards the Paramour achievement
• gross sobbing when Lonely Gay Shepard finally got laid
• gross sobbing at every stage of your chosen romance
• gross sobbing when you hear the saddest piano in the galaxy
• gross sobbing when you hear Gilbert and Sullivan
• booty shaking when you hear the Purgatory music
• uncontrollable giggles at “emergency induction port”
• ….emeerrrrrrrrrrrgency induction port
• strange desire to hug every character
• even Udina
• at least until you found out he was a traitor at which point the hugs just stopped
• what the shit I was starting to like you but no you HAD to side with Cerberus didn’t you
• but everyone else man they were just so cool and you didn’t know you loved them but now you DO
• spontaneous cries of “No. No! NO!!!!!!!!!!!!!”
• surprise as your voice hits new high pitches as you wail in agony
• fierce badass determination when Shep and your token squad go out to kick ass and take names
• or at least until
• THE ATRIUM.
• THE REAPER ON RANNOCH.
• BANSHEES + REAPER TROOPS + REAPER BEAM.
• at which point it’s more like THROWING DOWN YOUR CONTROLLER IN RAGE
• newfound fear of foghorns
• newfound fear of screaming
• newfound fear of spiders
• newfound fear of the dark
• dawning realization at the fact that the elevator shaft in the Monastery rather succinctly hits up most of your phobias oh god
  
• newfound fear of doing something too late and then everyone’s going to die oh god
• gross sobbing when you think someone’s going to die
• gross sobbing when it turns out they didn’t die
• you’re just crying at everything now aren’t you
• it’s okay there’s no shame in that
• gross sobbing during the squadmates farewell
• gross sobbing during the endgame
• gross sobbing as you realize that you probably didn’t keep your promise to your LI
• and even if you get the Shep Lives bonus they’re kind of stuck on some planet that’s not Earth
• INEXPLICABLY
• SINCE THEY WERE PROBABLY IN YOUR FINAL PARTY
• BUT EVEN IF THEY WEREN’T
  
• TIME TO HEADCANON THAT SHIT
  
• gross sobbing even after the game is over
• gross sobbing three days after you finished the game and someone said something that sounded kind of like something that happened in Mass Effect 3 and you just remember
• gross sobbing three days after you finished the game and nobody even did anything to make you think of Mass Effect 3 but you did anyway and now you’re crying again
• intense denial, for whatever reason
• uncontrollable urge to read fanfiction
• uncontrollable urge to write fanfiction
• uncontrollable urge to curl up in a ball and never stop crying
• general PTSD-like symptoms

TL;DR:

• FEELS
• but at least you had a VI to feed your fish
• even if you couldn’t find your space hamster
• but then you find out that the space hamster is downstairs in Jack’s quarters!
• YOU JUST HAVE TO CATCH HIM AGAIN
• and then you decide to start the vicious cycle of feels again so you can catch a fucking hamster
• *GROSS SOBBING*