QUESTION FOR MEN help...?

do men always walk out of a 6 yr relationship coz they want space and are sickened with the womens control issues.when my man was with me we never went out as i hated him ogling girls.Often he would look 'lustfully' at nightclubs.as we ped..i knew at 28 he wanted tp party again.now he is gone 7 weeks clubbing etc, and he used to love me so much.what do i do here?