Design Dialogue: Mixing Patterns

My current nesting phase is making me reminiscent of the decor choices of my past. In my early 20s I subscribed to an eclectic vibe, one with an ethnic feel. Lots of photos and art on the walls. Thrift-store couches. Then I went into my White Period. White shag carpet, white walls, white couches, minimal everything, black and white art. After that I turned to bright, bold colors. Mod blocks of reds, oranges, greens, blues. I had large red rugs accenting our living room and yellow curtains in our bedroom. Now I go for a midcentury modern look with classic, clean lines and pops of color here and there, mostly soothing blues and greens.

I like this style. It's cozy, it's casual, it's appeasing to my aesthetic. But I'm thinking about mixing up some patterns. Here are some images I've been collecting in my inspiration folder.

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These all feature some kick-ass wallpaper patterns. I'm not sure how I feel about wallpaper (I rent, so, yeah). But I'm thinking I could easily mix a large pattern in the form of a rug with smaller patterns in pillows. I tend to crave a style change once every two years or so to keep it fresh. Not sure where I get this from because I'm pretty sure my parents only changed up the decor once in the whole time I grew up, and then only because we moved to a new house.

What about you? How has your decor taste evolved?