> For the complete documentation index, see [llms.txt](https://docs.trex.trade/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.trex.trade/how-to.../keep-your-rex-healthy.md).

# Keep Your Rex Healthy

Hey Rex Wrangler! Keeping your Rex healthy is super important. Here's what you need to know:

### What a Healthy Rex Looks Like

Your newly-hatched Rex starts at 100% health and looks like this:

<div align="left"><figure><img src="/files/1U08GP3sPuftmxNjvHGc" alt="" width="120"><figcaption></figcaption></figure></div>

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### When Your Rex Needs Attention

If your margin drops, your Rex will start looking worse and worse. If this happens, you'll need to feed him ([add margin](/how-to.../feed-rex-add-margin.md)). Of course, you can also opt to release him (close position).

Here is a Rex that isn't doing too well:

<div align="left"><figure><img src="/files/U1JDanr6BnRe6VxQb8qZ" alt="" width="120"><figcaption></figcaption></figure></div>

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### The Path to Evolution

And if you trade well? You might just discover upgraded forms...

<div align="left"><figure><img src="/files/x9qBjEIOav5OwMkrtysM" alt="" width="144"><figcaption></figcaption></figure></div>

**Keep your Rex healthy to unlock his true potential!**

&#x20;✨ *Legend speaks of supreme, divine Rex forms that only the most legendary traders have witnessed... Will you be one of them?* ✨