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I... Genuinely only realizing this now
(lemmy.world)
People tweeting stuff. We allow tweets from anyone.
RULES:
I didn’t learn until my 40s that if you exhale gently while getting water on your face, none of it goes in your nose.
I think I learnt this when I was taught swimming as a child. You always slowly exhale or at least keep the air in your nose slightly under pressure while you're underwater, so the water doesn't get in.
Blowing bubbles is always the first thing I taught kids when they were learning to swim.