Why is the scale going up when I am eating healthy food only?

I have been eating healthy food for 11 days, and i have only eaten stuff like vegetables, whole grains, milk, cheese, a LOT of fruits every day and meat, and no fake sugar or syrups at all. Before i started eating healthy, my weight was 53 kg and now it is at 57 kg. For TWO days it has been at 57. Why? What am i doing wrong? Yet my face somehow looks skinnier, and my cheekbones are a lot more visible now. A new line has also formed from my ear to my chin at the cheekbones. Is this weight gain or muscle gain? I don't do any workouts at all, and only do walking a lot. Is it possible the weight gain is from eating too many fruits overall? Help!! What do I do? I haven't been overeating either, just LOTS of fruits every day and other healthy stuff. And only water and milk. Been getting enough sleep every night too. Why the second i finally start eating enough food that my body requires, the scale goes up? :( This is really confusing, and unmotivating :(( Only difference i see is at my cheeks!

Why is the scale going up when I am eating healthy food only?
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