My boobs were bouncing a lot?

So I was walking home from school and I was walking fast, my shirt showed a bit of cleavage and I didn't notice how much my boobs were bouncing and on the way home I saw the guy I have a crush on and he was looking at me. When I got home and walked past the mirror I saw them bounce like crazy. I am so embarrassed! He was with his friends too and I think he might think I'm a weirdo with really bouncy boobs and if he likes me back and told his friends, now he might be embarrassed of telling them because of that incident. Anyways I tried walking slower but they don't stop bouncing. What can I do? Its so annoying and embarrassing. I'm not big, I am a 34 C and I'm 19 years old, I try to dress as modestly as I can, but I don't know what just happened today, I did want to show a little bit of cleavage but not bouncy boobs.
My boobs were bouncing a lot?
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