A/N: 50 sentences, not connected, you know the drill...
1. Blame: Natasha killed a terrorist she was supposed to question, but Maria was willing to take the blame.
2. Proof: "This is the proof that I love you." Declared Maria, showing Natasha a ring.
3. Assistance: Maria was the best analyst Natasha had ever worked with, and Natasha was the best agent Maria had ever worked with.
4. Going: The worst part of working at Stark for Maria was being away from Natasha.
5. Birthday: No mater what happened, Maria and Natasha never forgot each other's birthdays.
6. Scientist: Maria working for the charming scientist called Tony Stark worried Natasha, but she was soon reassured of Maria's commitment to her in the best way possible.
7. Silent: The mission had gone horribly wrong... "She's silent, forever..." Sobbed Maria.
8. Behalf: It was awkward for to have to argue on her girlfriend's behalf, after she was on trial for going on a rampage in her native Russia, angered over their homophobic laws, but to be honest, she kind of agreed with Natasha.
9. Rumor: Rumors of Natasha dating Clint were quickly silenced by Maria.
10. Tip: An anonymous tip finished the mission a full day ahead of schedule, a day Maria and Natasha could spend together.
11. Idle: Maria and Natasha's relationship could be dangerous at times, but the positive to that is that it was never idle...
12. Sister: Maria said that Natsha was like her sister, but in truth, she wanted her to be much more.
13. Beneath: Natasha was told in Russia that love was beneath her, and she believed it, before she met Maria, that is.
14. Redecorate: Between Natasha and Maria's respective tastes in home furnishings, their house was an interior decorator's nightmare.
15. Gravitation: Of all the people in S.H.E.I.L.D. Natasha worked with, she found herself gravitating towards Maria most.
16. Fantasy: "Elves? Really?" Groaned Maria in disbelief. "I fought one of the Norse gods, and you're questioning reports of elves?" Countered Natasha.
17. Afterthought: Seeing Maria for the first time in two years made the excellent meal they shared an afterthought in Natasha's eyes.
18. Unearth: Natasha sobbed as she unearthed what remained of Maria from the wreckage.
19. S.H.E.I.L.D.: Maria was Natasha's Shield, in more ways than one.
20. Blacklist: Natasha was blacklisted from so many things, thanks to her history. So Maria handled most of their everyday lives.
21. Misquote: It really pissed Natasha off to see people take her words out of context, and Maria was the only one could calm her down.
22. Copy: Maria tried to copy some of Natasha's moves, but could never quite get the hang of it.
23. Lens: Natasha was as cynical as they come, but Maria made her see things through a different lens.
24. Arguing: After a long argument, Natasha forgot their quarrel, and engaged in a lengthy makeout session.
25. Support: Maria's loving support made her and Natasha inseparable.
26. Arrested: "You got arrested for what?!" Lauged Natasha. "Just pay the damn bail." Groaned Maria.
27. Havoc: If you messed with either Maria or Natasha, the other was sure to wreack havoc upon you.
28. Tool: Maria was one of the few to see Natasha as more than a mere tool, and thus a strong bond that would become a strong love began.
29. Blanket: A warm blanket was what Natasha needed most after her latest mission, and exactly what Maria had for her love.
30. Fancy: This first date was a bit formal for Natasha's tastes, so after dinner she decided to show Maria her own idea of fun.
31. Dash: Natasha got to S.H.E.I.L.D. HQ as fast as she could, at Maria's beck and call.
32. Away: What hurt Natasha most with S.H.E.I.L.D's destruction was having to leave Maria behind.
33. Syndicate: Natasha's greatest fear was one of the many syndicates she'd fought over the years hurting Maria.
34. Champagne: Natasha hated the taste of champagne, but she pretended to like it to impress Maria.
35. Note: Natasha and Maria constantly left notes for each other around Maria's office.
36. Physiscal: Natasha was a good deal more physical than Maria, and that could make thing a bit awkward from time to time.
37. Dull: Faking a relationship with Clint was boring. There was nothing wrong with it, but Natasha just found him dull.
38. Frozen: Every time Maria walked into the room, Natasha froze in place.
39. Stumble: Maria stumbled into Natasha's apartment. She needed consolation, badly.
40. Hunt: The long hunt for their mark had a positive in that it gave Maria and Natasha some time together.
41. Gibberish: Maria understood Tony's explanation fairly well, but it was gibberish to Natasha; she'd have to ask Maria more about it on their date later.
42. Camp: Maria was a bit adverse to the idea of camping, but having Natasha there made it fun.
43. Weakness: Everyone had a weakness, Natasha's was Maria.
44. Bargain: Natasha wouldn't bargain with her girlfriend's abductors; she wanted Maria back NOW!
45. Alcohol: Drunk or Sober, Maria thought Natasha was the hottest thing ever.
46. Wind: Maria hated windy days, it blew Natasha's hair around, and kept getting in both their faces.
47. Temptation: Natasha couldn't resist the sight of a scantily clad Maria on the bed.
48. 18: Natasha hadn't been on a date since she was 18, so Maria had to help her along with this "romance" stuff for awhile.
49. Bottle: Tony was right; Maria and Natasha were only one bottle of wine away from making out.
50. Rhythm: Maria and Natasha were in perfect rhythm, both on the job an off.
