Mediocre sex turned mind-blowing

My boyfriend and I are into light bdsm. He has full consent to spank, choke, bite, and slap me across the face. We were having some pretty boring sex and I guess he could tell I wasn't into it as much because he grabbed the bottom of my tank top(which was still on me) and pressed it against my throat while I was riding him. I'm pretty sure my face was turning red, but I loved the feeling and looking into his eyes as I felt myself struggling to breathe. He has never done this before and definitely hasn't choked me hard enough to leave a mark

I personally love bruises and any sort of mark that he leaves, but my parents will be visiting us for the first time in over a year so I pray this doesn't leave a mark lol. Don't needa have that conversation with my conservative Christian parents