Dating in the dark joey
Rachel bizarrely does not see the multiple similarities between Ross and Russ, and even more bizarrely, neither do either of them.Rachel dates Russ as a rebound relationship after breaking up with Ross upon learning of a list of her pros and cons he had written up whilst trying to decide whether to date her or Julie, but the fact that she would date a man who resembles him so much - even if she hasn't noticed the aforementioned resemblances - seems to strongly imply that she is still attracted to him, and the other friends actually suggest this theory to her.
(No mention as to what he did to deserve this) Rachel develops a crush on Joshua and sends him a number of signals, all of which slip by him completely.
Barry and Mindy get divorced in season six when Barry cheats on Mindy again. A dark, Italian man who could not speak English very well.
Rachel's relationship with Paolo was based merely on sex.
Eventually, when Rachel sees the two arguing, she finally sees the similarities between them and walks away, disturbed.
She later breaks up with Russ, who consequently becomes depressed and one day while hanging out at the coffee shop is spotted by Ross' ex-girlfriend Julie, who is likewise depressed after Ross broke up with her.
They invite Tag to Central Perk when it turns out that Tag already had his sweater. He works as Rachel's replacement at Ralph Lauren during her maternity leave.