We have partnered with TradePub to bring you free industry magazines and resources - no coupons or credit cards required!
Visit: englishforums.tradepub.com
I think the sentences are fine.
I tend to agree with Avangi. It is in my view rather unlikely that someone would just say "Hey, don't lie!" at the start of this exchange. They'd be much more likely to say "Hey, don't lie there!". (I'd probably use an exclamation mark.)