Internal Linking Anchor Text - Does it Matter?

Guys, any ideas how to link from homepage to categories on adult site as example ?
I have no idea how to link without using exact match kw...

Treat it just like external links; you can use natural anchor texts that do fit in, the link juice will pass just as well and it’s better to have some variations.

Add extra word in content with desired anchors.

Yes it matters if you are doing it in a proper way. Google slithers sites by following connections, inner and outside, utilizing a bot called Googlebot. This bot shows up at the landing page of a site, begins to deliver the page and follows the principal connect. By following connections Google can work out the connection between the different pages, posts and other substance. This way Google discovers which pages on your site cover comparative topic.