Death of a Spaceman by Walter M. Miller Jr., Science Fiction, Adventure

Her silence was long, and he rolled his head toward her again. Her lips tight, she stared down at the palm of his hand, unfolded his bony fingers, felt the cracked calluses that still welted the shrunken skin, calluses worn there by the linings of space gauntlets and the handles of fuel valves, and the rungs of get-about ladders during free fall. "I don't know if I should tell you," she said. "Tell me what, Martha?" She looked up slowly, scrutinizing his face. "Ken's changed his mind, Nora says. Ken doesn't like the academy. She says he wants to go to medical school. Old Donegal thought it over, nodded absently. "That's fine. Space-medics get good pay." He watched her carefully. She lowered her eyes, rubbed at his calluses again. She shook her head slowly. "He doesn't want to go to space." The clock clicked loudly in the closed room.