If I were to try and explain to you, in a few words, how to give yourself the mental finesses to help overcome premature ejaculation then I would say the following. Try and remove your mind from exactly what you are doing during sex, thinking of something else will decrease your sensitivity and so help you to have more endurance.
To beat premature ejaculation it takes a lot more will power than can be said Try the following fun ways to help yourself block the sensation of sexual activity, so you can last longer.
(If you have not already read the section on the ejaculation trainer then I recommend you do after this section [The Ejaculation Trainer]).
Firstly there is the mental image trick. Basically, thinking of something that is not sexual, and maybe even repulsive, to you. Think of an accident you had, something you found horrible (like eating a mouldy apple) or even the funny ‘Margaret Thatcher on a cold day’ trick we hear about on TV. Do this whenever you feel anxiety build, starting even before you enter your partner, and this should help you to last.
Although it may seem reasonable, closing your eyes will actually make this harder. Try a spooning position for sex and look around the room. Think critically about it and decide of improvements you would like to make. To make it simple, just distract yourself from the sexual sensation by focusing elsewhere.
As a side note here do not go out and try this method as if it’s a magic incantation, you should instead just practice until you can get it to work for you. Try using some 18+ rated movies and masturbate until you are close to orgasming. When you are near then slow right down and allow yourself to lose a little hardness (not to the point where it is only semi erect), you can look around the room to refocus yourself. Now start watching again and continue this, getting a little closer to orgasm every time, until you have down it several times. If the sound of the films makes it hard for you then start with the volume off and then turn it up little by little until you can cope with it.
The pain game is the last trick I can teach you. Cause yourself a slight pain by biting on your lip or something similar and blocking sexual sensation this way. Evolutionarily, our body puts pain over reproduction, so you should delay your orgasm this way and maybe even develop a new fetish.