Two beautiful girls swap boyfriends

Two couples went for a walk. At night, when the four were together in the hotel, the girls said that both of us have decided that we will swap boyfriends. Both boyfriends are shocked to hear this. The girls are adamant on their stubbornness, she says, we have come here to have fun, so we want this fun and in the end, both boyfriends also agree and both couples swap their partners.