Her face softened, but also took on a hint of sadness despite Gideon's request. She didn't want to cast a pall over his birthday celebration, although to be practical, he wasn't likely to remember this later - at least not in much detail. And holidays weren't exempt from ending in disaster or heartbreak: birthdays, Christmas, anniversaries...
Roxanne smiled, though her eyes were still sad. "Should that be my birthday present, then?" she asked. "Happiness?"