Rachel was required to go to Paris for Fashion Week. Ross would be gone for four days at a paleontology conference. Monica needed to be at a client in Chicago for two weeks. Chandler needed to spend a week in Miami for continuing education. These trips out of town were scattered over a period of three months.
Monica and Rachel had decided, together, how their quartet would handle these absences. They didn't want the guys to be at home alone for a lengthy period of time. They trusted the guys, but didn't want to push it. Also, they themselves didn't want to go without. The four met at Monica and Chandler's apartment. They sat around the kitchen table.
Monica began, "Each of us is going to be out of town in the coming months. We think that we should make arrangements ahead of time."
Chandler asked, "Arrangements for what?"
Rachel said, "Arrangements for taking care of our significant others while they are home alone, romantically. It would be an extension of our B&B policy. One of the four of us would be out of town, so it seems natural. Nobody would have to go without release, except whoever was traveling."
Ross asked, "How would that work?"
Chandler, said, "We're out of town for different periods of time, too. Somebody is going to get more, or less, than their share. It could create jealousy."
Monica said, "We've thought of all that. Ross is gone the shortest length of time; four days. So, we swap for four days, each. When Ross is away, Chandler will service Rachel's needs for four days. When I am out for two weeks, Rachel will service Chandler four days. That will be fair, because I'm coming home on the middle weekend. While Rachel is suffering in Paris, Ross has me four days. Finally, when Chandler is in Miami, Ross takes care of my needs."
Chandler and Ross looked at one another, telepathically agreeing. Chandler said, "We are the two luckiest bastards on Earth!"
Rachel said, "Of course, when we say four days, we mean overnight four times."
Rachel's trip came first. Including travel, she would be gone eight nights. Monica was to sleep at Ross's on nights two, four, six, and seven.
Next was Chandler's trip. Ross would sleep at Monica's on nights one, three, four and six.
Monica would be gone ten nights, over two weeks. Rachel would sleep at Chandler's on the second and fourth night of each week.
Finally, Ross would be gone only five nights. Chandler would sleep at Rachel's on nights one, two, four and five.
Chandler observed, "Hey, we're missing an opportunity, here. Ross and I will, under no circumstances, share a bed. You girls do it all the time. When Ross is away, why doesn't Rachel stay with Monica and me? When I'm away, Monica can stay with Ross and Rachel."
Ross licked his chops, "Yeah, good idea!"
The girls looked at one another, and shrugged.
It felt very natural for Monica and Ross to share his apartment. They had lived the majority of their lives under the same roof. On their first night, Ross said, "Monica, you have to promise me not to tell Rachel this, because it would break her heart. I want to titfuck you all four nights, please."
Monica said, "Oh, of course, Ross. You know I don't want to hurt Rachel's feelings. While we're at it, we will keep mum about the size of your cock, to save Chandler's feelings."
"Done. Shall we?" They walked arm-in-arm to the bedroom. Ross titfucked Monica, this time with her lying down flat. He came all over her face. Then, Monica rode herself to orgasm on Ross's large cock. They cuddled comfortably all night. They repeated nearly the same sequence on each of their four nights together. Monica complained, "Ross, it's been four nights, and we're already in a rut!"
Ross quipped, "It think we should see other people!"