[Willamshakspear]

As for you boyfriend, it is good & matured of you to know that the affair cannot be continued for the sake of both families. It will destroy not just you, but him, both your families & kids when it is discovered as it surely will.

Thus, to stop it, you will need mental strength & mental discipline - to draw a line on intimacy between you both.

There is no law or books that say married males or females cannot have or be friends. It is ok & acceptable in all societies, only that there must be a line that cannot be crossed - from friends to lovers which will only harm many innocent others & the consequences to entwined lives.

You can still be friends with him for sure, even him as a good good friend. Just meet in places where there are always people around so that there is no whiff of suspicion on you both.

Should talks & discussions or after a few drinks lead to hints of intimacy, you will need the mental strength & discipline to resist it. Just think of the consequences should you both be discovered.

If he insists, then it will be high time to let him know those consequences too - divorce, alimony payments to his wife, his kids, & then to buy a house for you both to live in, & the costs of bringing up & providing for your kids too. Such doses of REALITY will sink in. If he truly loves you & respects you, he will back off than to cause further harm to you & himself, unless you are only a toy for him, easily manipulated with tears by him.