Late period!!

Jessica
So I'm about 24 days late. Last time I had sex was August 30th and we used a condom. Time before that we used a condom also. I took a test last week and it was negative. Even waiting 5 minutes to see if a second line would show but nothing. I don't know if it's just not coming because I'm stressing about it, work and school. I'm taking another test in the morning to see if it's the same. But has this happened to anyone else? I'm in a new relationship and I really don't want to lose him over this.