Jemma | Gabriel.
She survived and that's the thing to take away from that. The fact that you weren't concerned with her wellbeing isn't ideal but she survived because of you.
They what? They sacrificed someone to see what you'd do. That's just awful. For you and the person they sacrificed.
What was the ability of the person they gave you? And how did it assist and compliment your natural ability? So their plans were derailed and things ended up worse for you because of it. That doesn't surprise me, when people try and control the lives of others it never does end well.
But you eventually overcame it, you succeeded despite how difficult it must have been. It might have taken you a long time to get where you are but you should focus on the fact you got there not on how long it might have taken.