Answer:
Novelty and predictability
Step-by-step explanation:
Novelty-Predictability is an example of Dialectical tension in which people in relationship experience opposing forces which are important for relational development.
Novelty deals with spontaneity, uncertainty, freshness, being original and so on. It involves doing this without necessarily having a prior arrangements to doing it.
Predictability has to do with behavioural patterns that has stability. Where actions taken have been planned and made known. By wanting security of knowing she will spend each of her weekend with her boyfriend and wanting the excitement of doing new things with him, Belinda is having the novelty/predictability tension.