She saw her lean down , placing her ear to the loose , floppy lips as though he were whispering the love poems of Byron or Shelly to her . A realization was starting to dawn on Tara . Rita was insane . Shehad to be . Stark raving , round the bend bonkers .
According to the above context, choose the best option to answer the following question.
Question: Why is Tara distancing herself from Rita ?
Options:
- None of the above choices .
 - Tara feels Rita is a threat to Byron .
 - Tara feels Rita is a backstabber .
 - Tara feels Rita is unstable .


Tara feels Rita is unstable .