kristin shepard, sue ellen ewing's younger sister, leaves dallas after having an affair with sue ellen's husband, j.r. and then shooting him. the drug addict kristin travels to los angeles where she becomes involved with a drug dealer named jeff farraday. she gives birth to farraday's son on august 18, 1981. due to the character being so young in the original series, metcalfe comes up with a lot of christopher's backstory himself. after high school, christopher sees himself settling down to marry his childhood sweetheart, elena ramos, the ewing maid's daughter, but that does not happen. the destruction of his relationship with elena reminds christopher of his feelings of abandonment, due to him being adopted, and the only mother he's ever known, abandoning him as well. christopher runs away looking to start over, "lick his wounds," and discover who he is. christopher comes up with a long-term goal and a way to put his stamp on the ewing family legacy. according to metcalfe, by the time of the 2012 series, christopher is "completely green." prior to the 2012 series, christopher lives in china for two years, where he works to develop this alternative energy.