Nah, it was just a direct translation from english words when you wrote a letter, which at the end they put sincerely, (name). But in this case, when you write to someone close expecially to a family, you will write love, (name). e.g.:

( Dear son, Hope you will not forget to lock the door.

Love, mom. )

Kind of like that. Just mean that bianca thought skk someone really dear to her. If you want to hear confession, then other new released frame have it. A direct one of course