Recovering

Ponies can change, even if you don't think they can. Past memories, experiences, and horrors can come back, and you may hurt those who you said you couldn't even imagine you could....

After his deployment, Ryan had fallen into a pit of depression. Memories, nightmares, stress, and lack of sleep are causing him to become some pony different.
Although, when a mare he's known for a while tries to help him cheer up a bit, he becomes much more than what he was at first...