Young Justice is an American animated television series created by Greg Weisman and Brandon Vietti for Cartoon Network. All copyright belongs to them.
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Sorry for not shipping canon. KaldurXArtemis.
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She wanted him to realize how much danger they were in. How, in any possible moment of time, there existed a possibility of them being exposed. How that would lead to instant failure of the undercover mission that shouldn't exist. How there was too much at stake, with the truth being what it was. How Nightwing, how Wally - both had so much to lose other than their pride. They were in death's territory, and she was utterly defeated by the presence of it.
As so, she wanted him to feel it. The insidious nature of it all that threaten to swallow her whole. Not for him though. She did not feel this desire because she wanted him to know. It was sheer impluse, so real and so close that it was impossible not to share. In the end she didn't tell him. Whether she couldn't or wouldn't wasn't something she knew the difference of.
On the command ship, Kaldur was very much controlled. A committed leader on par with Nightwing. A skilled actor - very much so, she thinks, as she watches him give report to Black Manta. Father. It comes out fresh and clean, a voice that seems like a language of it own. His vocals were deep and reassuring. He was at ease among these men, as the submarine travels further down into the depths.
In his private room, Kaldur seems broken. Not completely though, because he still has a mission to carry out and he is sure to remain strong until the last moment. But those nights, when they plunge further down the abyss, he holds her. Clings on to her because he is very much afraid. He is never keen to the idea of failure, to the degree that was much more severe than hers.
Some nights were long and unbearable. It has been a little over two years since he took over this position and handed Nightwing the mantle. Over two years of complete isolation. And while she and Wally had quit the team and committed themselves for a subdue, peaceful life, there existed no such thing for this Atlantean. Instead, two years of harsh training, strategic planning, and unit control over fellow recruits were place upon him. The burden increased; in his shelf, the death of Tula had to be moved to the side. Two years to forget about light heart conversation, touch, and every level of possible intimacy. Two years of solitude.
So when Kaldur feels he has reached the bottom on those nights, when he's at his worst, he reaches for her. He craves her very being. His web fingers finds her eyes and hair. He brings their foreheads close. No cruel intentions, not for primitive needs - just to bring her nearer to himself. Slowly. Ever gentle and handling her with up most care.
Through the tangled sheets, his even breathing ripples to the surface. His nose was touching hers. When she hugs his face towards her, she does not speak. It goes unsaid.