The extreme open-mindedness of Spike's mother in the wake of her pregnancy, likely because Spike's problems very much mirrored her own.
Shane getting to hold Emma for the first time in "Season's Greetings". Although it's very much Harsher in Hindsight, since this is probably the only time he gets to hold her before his accident.
Spike is infamous for her aloofness towards Shane that began for a variety of reasons, so it becomes this whenever the two are on better terms.
