Phoebe has three serious relationships over the show's run: David, a scientist, in season one, whom she breaks up with when he moves to Minsk on a research grant; Gary, a police officer whose badge she finds, in season five; and an on-and-off relationship with Mike Hannigan in seasons nine and ten.
In season nine, Phoebe and Mike break up due to his desire not to marry. Despite his womanizing, Joey is innocent, caring, and well-intentioned.
Ross and Rachel's intermittent relationship is the most often-recurring storyline; during the ten seasons of the show they repeatedly date and break up, even while Ross briefly marries Emily, he and Rachel have a child, Chandler and Monica date and marry each other, and Phoebe marries Mike Hannigan.
Other frequently recurring characters include Ross and Monica's parents in Long Island, Ross's ex-wife and their son, Central Perk barista Gunther, Chandler's ex-girlfriend Janice, and Phoebe's twin sister Ursula.
He has three failed marriages during the series: Carol Willick, a lesbian who is also the mother of his son, Ben; Emily Waltham, who divorces Ross after he accidentally says Rachel's name instead of hers during their wedding vows; and Rachel, as the two drunkenly marry in Las Vegas.
His divorces become a running joke within the series.
She writes and sings her own quirky songs, accompanying herself on the guitar.
Monica’s first serious relationship is with long-time family friend Richard Burke, who is twenty-one years her senior.Chandler has a peculiar family history being the son of an erotic novelist mother and a gay, crossdressing Las Vegas star father.Chandler is known for his sarcastic sense of humor and bad luck in relationships.Episodes depict the friends' comedic and romantic adventures and career issues, such as Joey auditioning for roles or Rachel seeking jobs in the fashion industry.The six characters each have many dates and serious relationships, such as Monica with Richard Burke and Ross with Emily Waltham.Joey rooms with his best friend Chandler for years, and later with Rachel.He falls in love with Rachel in season eight, but Rachel politely tells Joey that she does not share his feelings.Rachel and Ross Geller are later involved in an on-again-off-again relationship throughout the series.Rachel dates other men during the series, such as an Italian neighbour, Paolo, in season one; Joshua Bergin, a client from Bloomingdale's, in season four; Tag Jones, her assistant, in season seven; and Joey Tribbiani in season ten.Chandler marries Monica in season seven, and they adopt twins at the end of the series.Before his relationship with Monica, Chandler dated Janice Hosenstein in season one and subsequently broke up with her many times.