I hate the look of my sitting room, and I don't know how to fix it

I stepped into my sitting room one afternoon, and I hated it. It’s the same plain colours I’ve been staring at for years now. The colours no longer appeal to me, the furniture sets now bore me. I know I have to do something drastic by changing everything entirely, or stand the chance of losing my sanity in my own house (not an option, though, LOL). For days now, I’ve been on a lot of sites. I've visited Amazon, Alibaba, Etsy, and the like in search of the perfect furniture set and style to refurbish my sitting room. However, the more I search, the more frustrated I become.

It seems that there is no such thing as the perfect set, you just have to find something that matches your style and go with it. The problem right now is that I don’t even know the style I want. I know I want something classic, but I’m still trying to decide if I should go for a traditional look or a modern one. Both appeal to me for different reasons, and I can't seem to decide on either.

What I do know is that I want the space to feel warm, intentional, and like it actually reflects my personality rather than just a default room that came with the house. Any advice from people who have successfully transformed a space they grew to dislike would be really appreciated.