5 Chicago Fire romances you probably blocked out of your memory

Some of these 51 relationships didn't age very well.

CHICAGO FIRE -- "Funny What Things Remind Us" Episode 904 -- Pictured: (l-r) Alberto Rosende as Blake Gallo, Adriyan Rae as Gianna Mackey -- (Photo by: Adrian S. Burrows Sr./NBC)
CHICAGO FIRE -- "Funny What Things Remind Us" Episode 904 -- Pictured: (l-r) Alberto Rosende as Blake Gallo, Adriyan Rae as Gianna Mackey -- (Photo by: Adrian S. Burrows Sr./NBC) /
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5. Gianna Mackey and Blake Gallo

Chicago Fire - Season 9
CHICAGO FIRE -- "Blow This Up Somehow" Episode 906 -- Pictured: Adriyan Rae as Gianna Mackey -- (Photo by: Adrian S. Burrows Sr./NBC) /

Blake Gallo (Alberto Rosende) may have had his most meaningful connection with Violet Mikami (Hanako Greensmith), but the firefighter did have romantic chemistry with paramedic Gianna Mackey (Adriyan Rae) in season 9.

It's worth noting that Gallo and Mackey never went out on an official date, but the groundwork was being laid for what looked to be something notable before the character of Mackey was written off the show.

Related: What's wrong with Herrmann on Chicago Fire?

Because of Mackey's premature exit, and Joe Cruz (Joe Minoso) warning Gallo from romancing the paramedic, this could-have-been romance never got the shine it deserved.