The key is exhaling when your face is in the water. I strongly suspect you are trying to hold your breath when your face is in the water.

If you exhale underwater, then when you turn your head to breathe all you have to do is inhale! takes less time and makes for a smoother stroke.

symmetric snorkels like the Powerbreather are good for working on technique without having to think about breathing.

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maybe she's born with it, maybe it's chlorine
If you're injured and need some sympathy, PM me and I'm very happy to write back.
disclaimer: PhD not MD