why it feel so lazy to learn this

Answer 1

There can be a lot of answers for that question. If you're motivated to learn you will be succesful. Perhaps starting a fun project can help you get motivation, like creating your own website, or creating one for your someone else in need of a website, for example your sports team or a local business. That way you will actually feel you need to learn html, as more knowledge will help you build a better site.

Answer 2

because HTML is quite an easy language in that it isn't so strict on syntax and is static.