Any idea why this happened?

I am told I am beautiful,I don't think so although I do model.last night I was in the gas station with my partner when guys in leathers and bikes started ogling me.they were handsome and I said so.my partner seemed angry.then a stunning blonde pulled in beside me.she looked like me but had a flash car,so they started looking at her.my partner came out and seen this and started laughing to himself.why was this??