What does Morning sickness feel like and does it necessarily happen in the morning or the morning or afternoon?

Just wondering cause i worked out around 10:30-11:30 today and i ate a pack of ramen noodles (which i eat everyday) before and now my stomach feels weird and its out of my system (went to bathroom) but my stomach still feels funny i feel like throwing up and my mom just made potato salad and the smell of it is making my stomach turn but i love my moms potato salad im on birth control the method i use prevents me from having a period i had unprotected sex the week before the last week of may what does this meen? is this all in my mind? am i just trippin or what?