Giles: [sadly] I just can't help but wonder if... she would have been better off without me. Buffy.
Buffybot: I don't think that's true. You were very helpful to her.
Giles: [laughs bitterly] Right. Yes, I was a perfect Watcher. I did what any good Watcher would do - got my Slayer killed in the line of duty.
Buffybot: Oh, that wasn't your fault.
Giles: Of course not. That's how all Slayer-Watcher relationships end, isn't it? She's gone. I did my job.
Buffybot: [innocently] Then why are you still here?
Buffybot: I don't think that's true. You were very helpful to her.
Giles: [laughs bitterly] Right. Yes, I was a perfect Watcher. I did what any good Watcher would do - got my Slayer killed in the line of duty.
Buffybot: Oh, that wasn't your fault.
Giles: Of course not. That's how all Slayer-Watcher relationships end, isn't it? She's gone. I did my job.
Buffybot: [innocently] Then why are you still here?
Giles : [sadly] I just can't help but wonder if... she would have been better off without me. Buffy.
Buffybot : I don't think that's true. You were very helpful to her.
Giles : [laughs bitterly] Right. Yes, I was a perfect Watcher. I did what any good Watcher would do - got my Slayer killed in the line of duty.
Buffybot : Oh, that wasn't your fault.
Giles : Of course not. That's how all Slayer-Watcher relationships end, isn't it? She's gone. I did my job.
Buffybot : [innocently] Then why are you still here?
http://www.tv-quotes.com/shows/buffy-the-vampire-slayer/quote_20351.html