He didn't, not when he was Ric again. When he woke up, he decided not to complete the transition. But Esther got Bonnie to force him to feed, and he started on his mission to rid the world of vampires. Kill the Originals, kill the lines they sired.

[ That fury from Damon is like a flame, burning into her and searing away her emotional instability. Her mind calms like an ocean going still as she continues to the next part of the nightmare that was their lives. ]

Esther didn't want him to live forever, so she bound Alaric's life to mine.