Am I Pregnant?

Ok ladies, I need your help. I had protected sex on 29th and 30th July, and the condom didn't break or anything, but later I realized I was on my fertile period. During August I started feeling worried about that, but then I went on my period on the 13th. Yesterday I took a test, just to be sure, and it was negative. However, it seems to me I'm becoming more sensible to smells. My boyfriend says I'm only paranoid, but who knows…