What is happening to me?

Yesterday I was talking to someone and I suddenly just started breathing very heavy and fast the bc I had no clue what was going on I started crying but that only made my breathing worse and today it was the other way around I started crying then it was the very heavy and fast breathing.. can someone tell me what’s going bc im scared

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+1 y
And after I get calm I get very very tired
What is happening to me?
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