My question/need for advice surrounds a recent trend. Recently after healing up from the birth of our 3rd and FINAL child, my husband explained to me that moving forward Sundays would be reserved for sex, period. Our nanny takes the kids at 7am to the theme park, and doesn't return until usually after 9pm. Before the first Sunday, it had been explained to me to be ready for a lot of sex. I knew going in my husband's refractory period is super short, 15 mins, 20 tops. But I wasn't prepared for how the past few weeks have been. We usually have 30-45 mins of vaginal sex before his first ejaculation, and then after 15 mins or so rest, begin 30-45 mins of anal sex. I usually politely beg and ask if I can provide oral for the third time, and if Im careful, I can make this take 30-45 mins as well. But by the afternoon, we've done this cycle 8-9 times. I've had 4+ hours of vaginal sex, 4+ hours of anal sex, and my throat is usually sore from 8-9 blowjobs (he's "above average"). Dont get me wrong, this can be amazing. The arousal I get mentally from knowing Im able to do this for him can at times gives me amazingggg orgasms, but by 4-5 o'clock my body cant take it anymore. My vagina will begin to bleed, and my anus is flat out too sore for more. At this point he will usually finish the final 4-5 hours ejaculating by thrusting between my breasts, thighs, or via blowjob or handjob.
My concern is, I can tell this may be temporary. I am pretty sure the expectation is that within a week or two, I am ready to continue vaginal and anal intercourse until the end of the night, with only breast or manual stimulation as a break in between, not as a way of satisfying him for the last third of the evening. Does anyone have any advice for how to get my body prepared for this? Any suggestion at all would be helpful. And if not, maybe other ideas of how to bring him to orgasm beyond the methods I mentioned, as that might help me space it all out? AS mentioned above, our married is entirely submission based, so it has been known since we got married that spanking and other forms of punishment were and are on the table if something major like this cant be taken care of. I've never messed up that bad, but I dont want to start now!
Thanks for any advice, stories, anything

Cheers
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