Levi could definitely carry him, but he's eager to keep what's left of his pride, so he's going to try his best to walk on his own.

He grips Levi's hand with his prosthetic one, pulling himself to sitting with a grunt. He allows his legs to fall over the side of the bed and rises slowly to his feet. His vision clouds for a moment, and he sways slightly, gripping Levi's shoulder. He's unable to feel himself touching Levi because of his fake hand, so he feels like he's floating for a moment, but his vision soon clears and he starts shuffling to the bathroom. Thank god Levi is short, so Finnick doesn't have to lift his arm too much to drape it across his shoulders. He's thankfully at least wearing boxers and isn't completely hard, so it isn't painfully obvious that he was just a little turned on.

Thanks to Levi's healing, walking doesn't cause him much pain, he's just a bit sluggish and weak. Probably due to the blood loss, he figures. His head also throbs a bit now that he's standing, probably for the same reason.

He sits down to pee, just to make things easier. He doesn't mind being mostly nude or pissing in front of Levi; he lost that part of his shame years ago. He exhales with relief as he empties his bladder.

"I should probably drink some more water."