It may be the beginnings of an ear infection. I had something like that and my left ear filled up with wax to the point I was almost deaf, and the same thing was happening inthe right ear too. Finally one morning I went to yawn and a shooting pain shot through my left ear. I went to the doctor after that and he said it was an ear infection and there was a plug of wax blocking my ear. He gave me an antibiotic and some drops to soften the wax and about a week later I went and had my ears flushed out. Big gobs of wax came out and I could hear again.
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What, me worry