Whether it be in real life or specifically talking to girls, I literally get stuck in conversations that I don't know how to stop. This type of thing always happens when I'm either in a rush or interested in talking to someone else. I know that I have my own agenda, and that's my priority, but I hate being an asshole by breaking them off early. Here's an example...

I noticed my college advisor's office was full of cameras and commented about it while leaving. He starts passionately talking about cameras, photography, and all that jazz, and I don't really mind as I've got some time to spare. Two and a half hours later and I finally break the conversation before he begins on another lecture.

I understand that's the purpose of adding time constraints to the conversation, but there are just some times when I forget to. Is there an easy/polite/fun way to break those conversations off early, or do I just need to be a dick and end things when it's necessary? How do y'all usually deal with those types of situations?

Look at your watch. "Oh jeez look at the time I forgot to feed the hamster." Walk away.

Not being able to say no, for me, shows a lack of maturity and/or confidence.

That includes working to other people's schedules.

You don't have to be rude to end a conversation. Definitely not a 2 hour conversation! 'Listen, I've got to go.' isn't going to hurt anybody's feelings.

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