How often do you have sex and please your hubby orally?

So my husband used to be a playa playa! Yes people can change and all of the mambo jumbo but for the past year all he's been complaining about to me is that I'm not giving him enough oral sex or I'm always tired. For the record we have sex about 4-5 days out of 7 when I'm not on my period or have any other female issues going on. Sometimes 2-3 times a day depending on our free time. Now we have 3 kids who are all under the age of 8. I work full time and so does he. I do my best as a wife to take care of my husband and definitely as a mom take care of my children. We don't get any outside help often with the kids or the house so I do most of the cooking and cleaning. I say I'm tired and it becomes a big production😩😩 His solution is satisfying him in the bedroom should be one of my top five priorities. I disagree and say it should be in my top 10. What do you think? I'm starting to feel unappreciated for all of the other things I do successfully accomplish and beginning to wonder why he married me in the first place!!!