He wants to be seen single?

Ever since my husband started this new place of work, he no longer calls/txts me like how he used to. He takes out our pic in his wallet, and he no longer wants a wedding ring. He says im required to wear a ring, unless if i dont, that means i want to be seen single, so guys can hollar at me. And i can cheat on him. Weve been married for 4, almost 5yrs. Im having a gut feeling that hes trying to cheat on me w some women over at his work place. As he had cheated on his ex, asking a female coworker for sex after he got to know her. He even told me that he doesnt want me working in a field w a lot of men, because he doesnt want them to seduce me. And he doesnt want me having guy friends, cause it will only lead to sex. He said he only wants to save our marriage. But his fcking ass isnt even doing that. Hes having female coworker friends behind my back. His work place has a lot of young females. And hes acting like im so insecure and controlling. When hes the one starting all this shit. And with his persepctive, why would i not be?Idk anymore yall, what do i do? I feel like everything hes accusing me of is him doing it! And the female coworker friends of his, i feel like hes going to ask them for sex. Or even had sex w one already since he said itll always lead to sex when you have friends w the opposite gender. Shit, that wasnt true w me when i had guy friends.