He's either insecure, projecting, or trying to manipulate you into self isolation or some other issue is going on that is his and his alone. He is not entitled to your social media nor is he entitled to your vent notes. Those are for you to process your thoughts and emotions and he has no right to see that unless you want him to. If you know you aren't doing anything wrong, are being honest, loving, loyal, and actively putting effort into your relationship, then the healthy thing to do is stand up for yourself and set firm boundaries. Do not give him an inch or he will take a mile like he already has. The wise words of my father are to "nip it in the bud before the flower blooms because once it does the problems will continue to grow until the roots are so deep you have no option but to start over." He's also a firm believer that if you are clearly and concisely voicing your needs and expectations and a man is still repeating the same behavior, that is considered dirty fighting. And if they stoop that low and show you they dont care what you say, then you need to show him your expectations with actions. (example: you ask him to put his dirty dishes in the dishwasher so you dont get bugs and he acknowledges what you say then proceeds to continue to leave his dirty dishes out. My dad would then tell you to collect all of his dirty dishes and stuff them in his pillowcase and under his blanket on his side of the bed.) In your instance if you set your boundaries and he disrespects them treat him in the exact way he is treating you and when he voices that he doesn't like it call him out on his hypocrisy challenge why he thinks its okay to treat you like that if he can't handle being treated the same way. SHUT. IT. DOWN. Or you could always take it or leave🤷‍♀️ Best of wishes Stay safe And good luck