How do I become more private with my life?

The judgements are enough to put me off from speaking to people about the issues going on in my life or what I'm currently up to. I'm beginning to feel the same even about my boyfriend because of a comment he made. I do feel that I need to address it with him but I also am questioning whether I'm overreacting.

Sometimes I think I say too much though and probably shouldn't talk about what's happening with me. I could vent online or write rather than speaking to the current people in my life.
I only really have my boyfriend, I'm not close to my siblings or my mum. My friend drifted from me and that's probably because I have changed (starting following religion) and so I don't drink or smoke.
I don't feel lonely to be honest, but sometimes it just would be nice to talk to someone without them making any judgements. I do currently have online counselling sessions, i told my boyfriend this ane also told him a little about my i am getting counselling (tbh i should've just kept my mouth shut but because im used to talking to a partner, it feels hard not to). I am not doing counselling because I am depressed, its more for self improvement. I don't even need counselling and I told my boyfriend this and he responded saying "maybe you could've done counselling because it's advertised everywhere and you're also studying counselling" he tried to say there might be some influence, yes I am studying but it's not because of advertisements or anything, I'm perfectly capable of making decisions on my own rather than being influenced. My life is so busy and there's quite a lot going on, I don't have that kind of time to be getting influenced with what's going on online.

I do need to not say a lot of things to my boyfriend though tbh, some things should be kept private but because of my past experiences with men, I always have shared literally everything. I don't want him to make judgements or even think that way and I know after I address this, he could apologise but then its the tho
How do I become more private with my life?
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