I would say that the line which implies the author thinks Helen's behavior is going to hurt Helen herself is Don't cut your fingers with the edge / Of your keen wit
Because her mind and behavior are going to hurt her, or rather make her hurt herself.
Go to settings I’m sure there’s a tab rheee
Tamara or her brother needs to take the dog for a walk.
Hope this helps.
Answer:
To not place limits on extent or access
