Lazy baby

Dee • 😛
So obviously this is baby number 2. I am 18 weeks and baby's movements are so subtle and soft they say as a second time mom you know the feeling but I second guess myself with this baby all the time due to soft movements. My first baby kicked at 16 weeks after that she was a little tornado and my belly was obvious and this one looked like a gut and it barely rounding out to look like a baby bump and I honestly thought I would be big fast it being the second time around. Any one else feel like this or just worried. Is it normal.