Stop cheating yourself. The constant hype and lies that accompany infidelity, adversely affect the nervous system and, ultimately, on General health. If you are still very much tied to the lover, then, it may be worthwhile to look at it without rose-colored glasses of love. Take a look at it, find some negative traits, what are the artistic mess in his apartment – sloppiness, his late inattention to you, no presents – greed. Even if it is not so, the separation will become easier.
Talk to him. If both of you are calm, relaxed people, then he will respect your choice and will not insist on the continuation of the relationship. Worse, if your boyfriend is neurotic, then you have to try to accustom him to the thought of the inevitable separation. Convince him that the breakup is inevitable. It is the easier it is to do that you have a family. Here you not palter, if I will refer to the attachment to her husband and love for children.
Cause it to tear. Here we, women, do not know to itself equal. There are many ways to arrange scandals, saw him, demand the impossible. This is enough to make anyone understand that you are not the woman of his dreams.
Disappear for a long time. Take, finally, things that you constantly put it off, go on courses, devote free time to yourself, children and husband. Do not respond to his calls and letters, let them know that you are not boring and you can do quite well without his presence in my life.
Do not pull. Though the decision to break up with a lover, matured in your head, then pull is not necessary, it is better to place all points, even this gap will be more painful, but it will save a lot of nerves, time and effort.