Anal Business(1994)

An important businessman who is very close to his wife leaves on a trip abroad and finds that fidelity gives way to the pleasures of the flesh. He meets several women who involve him in a whirlwind of sex and passion, putting his marriage in crisis. Meanwhile, his wife falls in love with a woman. In the end, our protagonist realizes that his love for his wife is too important, so he returns home and everything ends well.