Kumiko, on Miyagi and Yukie's impromptu tea ceremony: "They're re-kindling their relationship, Daniel-san"
And later Kumiko performs the same tea ceremony for Daniel.
Much earlier in the same movie, Daniel helps Miyagi mourn the loss of his father.
2010 film:
On the anniversary of the deaths of Mr Han's wife and son, Dre comforts a crying Mr Han by using bamboo shafts to try to take his mind off the anniversary by going through their forms, that he can eventually heal from the loss. And one of the first things he does is use the bamboo shaft to help Mr Han wipe his eyes.