Should I be worried?

I am 7 weeks and 2 days with baby #3. My first two babies made me soooooo sick, like puke 4 or 5 times a day, lost a ton of weight, could hardly keep anything down sick. And I got sick as soon as I got positive tests before I missed my period. But this baby I just feel a little nauseous from time to time, and have dry heaved once. But that’s it. I’m a little worried because I know being sick is usually a good sign. Has this happened to any of you with 3 or more babies? Or is there just a chance it hasn’t hit me yet? My first two are boys, I feel like the whole sick-with-certain-genders-and-not-others thing is an old wives tale. Right? I will say that I already feel like I have a big stomach, even though I’m so early. I showed wayyyyy sooner with my second baby that my 1st and now feel like I’m showing even earlier with this baby than my 2nd. Just looking for words of encouragement and similar stories to ease my my mind. Thank you!