For someone decidedly cold & reserved, he became awfully clingy while he was sick.

…Awfully chilly, too.

You were practically used as a human heater, spare the few occasions he let go of you so you could get him something.

The cold had taken him harshly, and he used you to cope, clinging onto your back or front throughout the day and relishing in the slight warmth you gave off. Yet, as expectable, he refused proper conversation.