Could you please guide me on my new website?

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I am really new to this website business and newer to Google AdSense so could you please guide me on it. Firstly, My website is at www.uheaven.piczo.com The things I wanna knw are: 1) Is it too sparkly 2) What about the ad placement? 3) Enough Content? 4) SHould I change hosts, and which one should I choose? Thanks in advance.