I put a finger in his ass while sucking his cock and this man came so hard he almost levitated

My boyfriend and I had been talking for a while about me putting a finger in his ass during head and last night he finally let me do it and he came so hard I think he temporarily left this plane of existence so I need to talk about it because I've been replaying it in my head all day.

I love giving head. Like I don't just tolerate it, I genuinely crave having his cock in my mouth (wait not genuinely, I just really crave it, whatever the word is lol). Last night he was on his back and I was between his legs and I had a good rhythm going, my left hand on his balls massaging them, my right hand stroking his shaft in time with my mouth, spit dripping everywhere because I'm messy about it and that's how we both like it.

I was sucking him deep, taking him until my nose pressed against his stomach and then pulling back slow with my tongue dragging on the underside of his cock and he was groaning and telling me how good it felt and every time he said something like that I went harder because praise makes me feral (I know what I am).

Then he grabbed my left hand. The one that was on his balls. And he moved it lower. Didn't say anything, just guided my fingers down past his balls to his ass and I immediately knew what he wanted and my pussy clenched so hard I squeezed my thighs together on instinct because we'd talked about this and he was finally ready and the trust in that gesture made me so wet I could feel it on my inner thighs.

His ass was already slick from all the spit that had been dripping down from my mouth (I told you I'm messy) so I didn't need to stop or add anything, I just started rubbing the tip of my middle finger in soft circles around his hole while I kept sucking his cock. His breathing changed immediately, faster, shakier, and his hips lifted off the bed a little like his body was chasing the sensation.

I slid just the tip of my finger inside and he said "yes" so soft it was barely a word and his hand found my hair and held on. I kept going, slow, gentle, pushing a little deeper with every pass while my mouth never stopped working his cock. I could feel him tight around my finger, warm, pulsing, and when I curled it slightly looking for his spot his legs started shaking.

I found it. This small firm spot inside him and when I pressed against it gently and rubbed in slow circles his whole body went rigid and he made a sound I've never heard from him before, this deep guttural groan mixed with a whimper that came from somewhere in his chest. His hand fisted my hair and his hips bucked up and I pressed harder on his spot while sucking his cock as deep as I could take it and his thighs clamped around my head and he came.

The biggest load I think he's ever had. It hit the back of my throat in these thick heavy waves, rope after rope, and I was swallowing as fast as I could but it was so much that some of it leaked out the corner of my mouth and dripped down his shaft. I could feel his ass pulsing around my finger in time with his cock pulsing in my mouth and his whole body was convulsing, his abs clenching, his legs shaking against my ears, this full body orgasm that lasted way longer than any I've given him before.

When he was finally done twitching I slowly pulled my finger out and gently took his cock out of my mouth and licked him clean and sat back on my heels and looked at him. He was staring at the ceiling breathing like he'd just sprinted a mile with this blank expression on his face like his brain had been wiped. He couldn't speak for a solid thirty seconds.

My pussy was dripping. Not just wet, dripping, like I could feel it running down the inside of my thigh onto the sheet and nobody had touched me. Making him lose control like that, knowing he trusted me enough to let me do that, feeling his body respond to my finger and my mouth at the same time, it was the most powerful I've ever felt during sex.

He got up off the bed and I thought he was going to the bathroom but instead he grabbed me and bent me over the edge and started fucking me from behind and I came in about a minute because I was already so worked up and he came again inside me and then we both collapsed on the bed and just laid there breathing and I said "we're doing that again" and he said "tomorrow" and I said "tonight" and he laughed and pulled me into him and fell asleep.

He's at work right now and I've texted him twice asking when he's coming home and he sent me back a smiley face which I'm choosing to interpret as "soon" because my mouth and my finger are both ready.