Cold sore or pimple?

I'm stressing myself tf out rn. My boyfriend has HSV 1. He's only had one outbreak and it was 2 years ago. I know it still "sheds"... he's never given me oral before but weve obviously kissed. A lot lol. Does this look like herpes? Every time I pop it, white stuff comes out but then it kinda looks like a little blister.

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