It's wrong to judge others based on their sexual orientation.
Paul is at the local bar enjoying a night out by socializing with friends and strangers alike.
Paul wants to get to know a stranger he is talking to.
Paul finds out that the stranger he has been talking to is of a different sexual orientation than him and continues the conversation.
Paul finds out that the stranger he has been talking to is of a different sexual orientation than him, so he ends the conversation.
The stranger appreciates that Paul did not judge him for their differences and enjoys their evening.
The stranger is hurt by Paul's sudden end to the conversation after the topic of sexual orientation and their night is no fun.