>>5746757see picrel, this is the only book on meditation you will ever need.
>>5746760you must've done it wrong, you get benefits if you meditate correctly, consistently (every day) and atleast 15 minutes per day. See picrel, work from that, success guaranteed
there's a pdf version of it you can get online, if you have questions along the way there's a subreddit where you ask them and get very good answers