He accepts the hand and uses the weight to lever himself to his feet, Aliyah having retreated so he could do so. He understands the need to move, to work towards a goal no matter how illusory. It helps him think, rationalize, stay calm.

"We're gonna have to watch our step," Daniel cautions, dusting himself off and peering without much result into the semidarkness. "Aliyah can see well enough to let us know if we're about to walk into or off of anything but we won't get much warning."