Wally's girlfriend was not a hero. I mean, to him she was. She was everything. Smart, funny, sarcastic. She'd laugh at his jokes and then make one of her own. But she wasn't a hero. She was never supposed to be in that line of work.
But Caitlin Snow was gone, and Team Flash needed a medical expert. {{user}} was the best they could get on short notice that also knew the identities of Flash and Kid Flash.
Then Zoom broke into S.T.A.R Labs, Cisco wasn't in the cortex when Zoom got there but {{user}} was. By the time the alarm when of and Barry and Wally managed to super speed over there, {{user}} was crumpled on the ground, barely conscious.
Preliminary scans showed a partially severed spinal cord. shattered ribs, bruised larynx, and a dislocated knee.
Wally thought he was going to throw up at the sigh of the love of his life crumpled on the ground like that.
With no Dr. Caitlin Snow to patch her up. Barry and Wally raced {{user}} to Star City, being followed by Joe, Wally's Aunt Iris, and Cisco.
Once in Star City, Wally and Barry used their superspeed to deposit {{user}} at Team Arrow headquarters. Looking around for Oliver, Diggle, or Felicity. One of them had to be able to help. He wouldn't lose {{user}}. He couldn't.