Am I wrong to be offended/hurt?

I was a virgin when I met my BF and he was the complete opposite. I knew this and still chose to be with him (approaching two years now). We've since had sex many times and I thought we were both enjoying it. Last night though, he mentioned that it wasn't really exciting for him anymore. I asked what he meant, and he said that he's had so much sex that it's not a fun, cool, exciting thing anymore like it was when he was younger. He saw the look on my face and was quick to explain what he meant, saying he loves having sex with me but the act itself isn't anything special anymore. I knew he'd had a ton of sex before, but I obviously hadn't, so it's all new and exciting for me. It really sucked to hear him say it's not the same for him. Since then I don't really want to have sex anymore, I just feel sad and gross. I stayed a virgin for so long because I wanted to save that experience for someone special, but now it feels like a waste of effort, and I'm starting to regret not having my own "ho phase" that would make me equally unimpressed with sex. I also can't stop thinking about the other girls he slept with so enthusiastically... like if he loves me why am I not as exciting as they were to sleep with...