First round of morning sickness

Ugh it's 9pm and I just got super sick for the first time! I flew today from Chicago to San Francisco with my fiancé and felt fine the entire way... After we got home we decided to stop for in n out - I felt sick the entire way and could barely sit in there to wait for our order. I tried to eat a burger but we had to leave and I just got home and I got SO sick. Even the taste and smell of food is making me nauseated.