I always shipped Joey and Phoebe, he just seems to absolutely adore her
So did Lisa Kudrow and Matt LeBlanc. They at one point went to the writers and asked if it could be revealed that Joey and Phoebe had been sleeping together for forever.
You are not Elena
"Does she go down the rabbit hole like she has the last four and a half seasons? No, she takes Castle’s hand and chooses to be with him instead of choosing to do something crazy. It shows some growth and maturity of the character." - Andrew Marlowe