Ease my mind.

Cassandra
So, I need a little advice. I'm hoping that I'm just freaking out in my mind. 
I've been pretty tired, my appetite goes from not wanting anything, to bring pretty steady, etc. well on Thursday, I was so sick that I was in tears. I threw up suddenly in a work meeting in the morning, my stomach was very unsettled, my head hurt, I was hot and extreme nauseous. I made myself eat some chicken and rice for lunch. It was a struggle, but I did start to feel better in the evening. Well, yesterday I woke up with this burst of energy. I cleaned the kitchen, living room, bathrooms, and my bedroom (I've hardly wanted to get out of bed). I also was in a wedding, so I participated in all the wedding festivities. I never felt sick. When I got home last night I kind of started freaking out because I had felt so good during the day. My boobs are still heavy and sore, but no sickness. I did wake up at 3am this morning super hungry though. I did do something different yesterday and started eating saltines before I got out the bed and a couple about every hour. 
Do you think I'm ok? I prayed for the sickness to go away and now I'm praying for it to comeback! 😏 I'm currently 7 weeks, 2 days. I go to the doctor on Tuesday, but I have to ease my mind before then. Only light cramps, which I've been having on and off since I missed my cycle. The doctor said its just things stretching. I had some spotting early on, so I've had my levels and a 5week ultra sound - just confirmed gestational sack and yolk. It was too early for anything else. No blood.