Answer:
Mom loves Via, she doesn't wanna hurt Via so she keeps a promise but because of Auggie she doesn't have time for Via, she is unable to keep her promise just because she is busy with Auggie, but still she loves Via.
Step-by-step explanation:
I hope this can help you, I also didn't understand the question well so I came here but I ended up making an account, afterwards i thought this could be a possible answer, so I answered this question for you.