50mm 1.8 vs 1.4 lens?

I currently have a 50mm 1.8 on my Nikon D3200. What would the advantage to getting the 1.4 be? More bokeh?

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Playback display options on Nikon d5200?

In the playback menu on my 5200 there is playback display options. I wanted to use highlights and I have used them before but turned them off. Now I want them on again and I know how to turn them on you check the box just as you would for any of the options then click ok. My problem is that it never actually works. At first I though maybe I just don't have any highlights so I tried overview and histogram and everything else and nothing shows up after I take a picture and I can't figure out why. If anyone knows how to fix this it would be great.

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