Author POV,

On the other hand, Elena too, after going to her house and reaching home, was only thinking about James, what is the truth about him...??

She was also afraid that James was not an ordinary man but a vampire...And James himself had told this to Elena, so she had to believe that thing or James even if she did not want to...

And she herself had seen the attack with her own eyes, so she has understood somewhere that if he was James, then he was very dangerous and dreaded that he could do anything during the attack.....

So,since she comes to know about these things about James,...