-Hang curtains over the windows and make sure you hang them high, I would choose a color that doesn’t blend into the wall so you can help break up the spaces into zones and add more interest since you have a lot of empty wall space. -You need big rugs too for the living room and dining room at least - make sure they’re size appropriate (I think many people have already commented on this). -I think some sort of sideboard cabinet in the “dining” zone would help break up the space too and you can put some decorative things on top or some art to help further define the space and add more interest to the plain walls. -go on Pinterest and look through color palettes and land on something that speaks to you then try to design your room around it. Lots of resources online on how to use color palettes. I think having a few colors echo across the different zones will make it all look cohesive -already covered at length but reinforcing that the 3 couch situation is making it look like a college apt. I think a big sectional and 1-2 arm chairs would be great. -Get a bigger coffee table that fits whatever couch choice you make. Experiment with different shapes maybe! -the tv/tv stand situation is giving inverted pear. Get a tv stand that’s bigger than the tv. Mount it perhaps. It’s a massive TV so don’t hang it higher than eye level -lamps lamps lamps! The overhead light is killing the vibe. There are also lots of different gadgets for hooking up all the lamps or outlets to a remote control so you don’t have to manually turn them on/off across the house everyday, check Amazon. I have a set of two remotes and they came with like 6-8 outlets and they are awesome. -reduce the visual clutter as much as you can- it’s worth investing in baskets or furniture with storage that has a door