Just write. That's my only tip. And read. I guess that's two.
Writing is easy. Writing well is hard work.
Yes, writing is that easy. Yes, writing is that hard. But if you want to do it you can. Only you can stop you.
No art ever came out of not risking your neck.
Sometimes it helps to pick out one person-a real person you know, or an imagined person-and write to that one.
Nothing is original. Steal from anywhere that resonates with inspiration or fuels your imagination.