The Warm Machine (The Machines, #1)

When a robot built for construction work first sees an angular, sleek prototype military robot slink onto the base he's working outside of, he immediately falls in love. The problem is, only anomalous bots understand the concept of love, and the lowly laborbot has not deviated from his default programming once. So he thinks, anyway. When the laborbot is scheduled for decommission, the military bot cannot possibly live without him, and the two bots set out on a path to find the fabled anomal...