premise: Unfortunately she 's bit enough that a playful nip can be painful . Wo n't break skin , but it 's a mean pinch . Today I had to trim her nails before bathing her . Hera apparently hates having her nails trimmed . What is the reason that she hates having her nails trimmed ?
hypothesis: I cut the nails too short and it causes her pain because the nail line is sensitive on her fingers