@Omonkey. I had a very similar wifey situation. We fought for years, she never got it, she never changed until the below happened. My wife didn't give me head for 13 years! But guess what in the last 10 months she has gone from 20% to 110%. She has become a better than por star material. A couple of things I will tell you that helped me.
1. You have to trim like you are about to get the best Blowjob of your life
2. You have to workout, or if you workout, you have to focus on what she likes. Let's say she likes big arms but you insist on being a runner to be fit, come on. Do what she wants, my wife wanted arms, glutes and then chest in that order. I did that order! I'm having the best sex of my life.
3. Do the cum cocktail - vitamins that increase your cum, when she feels that, she will feel IT!
4. #4 should have been #1 for me. You have to tell her what you want, if she doesn't do it, that's on her but you cannot for another day of your life hold back anything. Tell her every fantasy you have, tell her what you wish she would do. Separate being a mom and being a hot piece of ass that you always want to fuck.
5. Tell her what you like. I got pissed with wifey one day wearing sweat pants at home. I told her, I want to see her HOT at all times at home. She could go out to the world looking like trash but in my house I want to see you hot. I started throwing away the clothes I didn't find sexy all underwear and bras that are not sexy as fuck get trashed, I also told her, that shit is not cute. She wears these tight shorts around the house daily now. I want her to know that I will fuck her anytime I want and that this is my house this is not your mom's house, at this house, you will get mounted at any time and you need to look hot for me. This also goes both ways, she can only buy clothes for you that she would want to pull down your pants and give you a blowjob, I took all my clothes out of the closet and laid it on the bed, I asked her what she would suck me with, everything she does not like got donated. NO exceptions, I only want to wear clothes she want to fuck me in.
6. New rule! each person needs to initiate sex at least once a week. That's a rule now in our house. I wish I would have done that when we got married.
7. Bromelain, you have to make sure you taste great if you are sticking your cock in her mouth, that's on you
8. You have to tell her that she needs to research how to give great blowjobs, she needs to research that on her time. But tell her you will do something special for her if she does. You also need to up your head game, and research an extra 40 hours on how to go down on her better.
9. Spa night and Massage night. Our routine is Sundays are massage night, we bought the massage headrest to go on to our bed, I give her the head to toe massage every week 30-45 min, once I am done and she is lying on her stomach, I put on that c-ring and give her that D. Spa night on Thursday, we shower together and scrub each other down. Once she is nice and clean, I put her on the bed and I suck that pussy
10. Last but not least, PE! Yes, it is true "My bigger is better" get that gain, pump, use the
cockring and she will go from 80% to 98% gasping for that dick.
** Bonus, she likes the lights off, fine with me. Have her wear the sleep mask. You need to turn her mind off, that is the only way she will explode sexually. Tell her that her breasts are not her's they are yours. Tell her to wear heels during sex and you will buy her something she wants but you want to fuck her in heels all the time.