6th episode of 6th season: Bo (to Luke): we did lots of street together, now we can think the same things, too Luke: yes, it's fun, don't you? Bo remains perplexed, don't sure if Luke meant that he can't ever think like him.. From "the boy's best friend" (this is not fun, but very sweet). Bo (seeing a boy without his parents): that make me come back for some years. Luke: I don't remember to be so sad, but I had you and Daisy