what is some negative things about Nick in chapter one?

Negatives? I don't think that Nick is portrayed at all in a negative fashion in the first chapter.

These are the most negative quotes I could find;

"...inclined to reserve all judgments, a habit that has opened up many curious natures to me and also made me the victim of not a few veteran bores."

"I am still a little afraid of missing something if I forget that, as my father snobbishly suggested, and I snobbishly repeat, a sense of the fundamental decencies is parcelled out unequally at birth."

"I lived at West Egg, the — well, the less fashionable of the two..."

"My own house was an eyesore, but it was a small eyesore..."