Digest quality content of the field that you are trying to get into

For example, if you want to be a model, look at other models. Look at the industry. Look at magazines and other content.

By absorbing quality content you acquire good taste.

Good taste

is really really important.

You need it in order to do well in any field.

If you have good taste for YouTube videos in your niche, if you have good taste for social media content, the kind that catches your attention, if you have good taste in the type of marketing and branding that earns your costumer loyalty, then all of this will lead to you having success.

Get good taste by absorbing quality content

If all the content you consume is of low quality, then what your creative juices can come up with will also be of low quality.

You need good inputs to create good outputs.

If you eat garbage, then you'll be garbage.

That's why monitoring what kind of information you consume is very important.

TLDR

Consume quality content to acquire good taste to learn how to make good content.