"I will be there! I won't forget, I promise!" Tink chimed, and she wouldn't forget, she would be there to support her friend and flutter at her side during whatever it was that grown ups did in those moments. Tink didn't know anything about ceremony, or vows, but she would keep herself quiet and be patient. She may have been a tiny little mischevious pixie, but she could behave herself when the moment called for it. This was Christine's time, not hers, and she wouldn't ruin it for the woman.
When Christine replied with a positive in response to Tink's asking if grownups married, Tink beamed radiently, clapping her hands, "You're a grown up!" She chimed, looking up at her friend, "We don't have a lot of grown ups in my world, and the ones we do have aren't very nice, but I like you, Christine." She chimed, speaking slowly so the woman could read her tiny lips, "You're my favorite grown up!"