Is it normal to not have bloat?

I keep seeing everyone post pictures of their little bloat bellies, all due around the same time as me (in Feb). I am six weeks and have had no bloat... or any symptoms really. I've only really had sore boobs and nipples. Is this normal? I'm thankful to not be feeling much but at the same time I feel like if I had more symptoms I'd be less nervous. 

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