“I want to write but it won’t come out!” may be you have the same situation, right?
What experienced guys suggesting is reading. Before you start actual writing take some time to read and get ideas.
Here is my reading platform – Medium. You can try this or anything else you think worth reading.
“This Is What I Learned by Reading and Writing Stories” by Miguel Álvarez
https://link.medium.com/Sub8m21iH5