How long into dating do you consider yourself in a relationship?

How long into dating someone do you think that you are ina relationship with them? Answers from guys would be very useful. For example how long into seeing someone and sleeping with them would you actually consider them to be your boyfriend/girlfriend. Guys how long would it generally take for you to refer to someone as your girlfriend or actually think of them as your girlfriend and consider them in the decisions that you make?
How long into dating do you consider yourself in a relationship?
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