When you are applying EFT to yourself, looking into your own eyes in a mirror while tapping is very powerful and effective. There is something about looking into your eyes and seeing their expression that touches you and helps you to really feel and tune into the issue you are tapping on.
Particularly when you say the words in the set-up 'I deeply and completely accept myself" and look into your own eyes, you will see if there is any resistance to this statement such as 'No I don't!'. You can then tap on that lack of self acceptance and ask yourself what specific events led to you feeling that way. Or indeed whether it was a decision you made about yourself due to something someone said or did.