Geeetech

One of my tricks that works for me, i don't always do this when I have a solid idea in my head, i listen to sad music if i want a sad scene or happy upbeat music for a similar mood, then again a random playlist sometimes directs my flow of emotions of my characters in the up and down.

When you turn to practicing writing (which you should also do a lot, as others have noted), try and attend to these concerns so that you can see just how much you've picked up regarding the genres and disciplinary writing styles you've familiarized yourself with.