What did Angela do that indicates that she did not want to disturb mother Barton too much?

Angela made a conscious effort to be quiet and unobtrusive, likely by speaking softly or avoiding any actions that might draw attention. She may have also chosen to wait for an appropriate moment to approach Mother Barton or limited her interactions to essential matters. This behavior suggests that Angela was considerate of Mother Barton's state, wanting to respect her peace and avoid causing any unnecessary stress.