Boundary and Respect Issue

Does anyone have an issue with privacy/boundary when it comes to their s/o? My 3 and 5 year old respect boundaries and my privacy more than my husband does. I can’t have a passcode on my phone without him knowing it, without him search my texts or social media, I can’t walk alone, I can’t talk to males, etc. It’s almost being like being a high school relationship when it comes to the control issue except he’s 30 almost 31. Does it get better? Is it just a controlling issue. I try to reinforce my boundaries but it’s honestly more trouble than it’s worth anymore. I just kinda needed to vent if anything. :/