It's polite to make plans with friends in advance.
Bob bought a pair of season tickets for the local college's football season, planning to treat one of his friends to a game.
Bob wants to take his friend Bill to a football game.
Bob contacts Bill a few weeks in advance with an offer to go to a football game.
Bob shows up at Bill's house one Saturday morning and insists that Bill come to the game with him.
Bill has time to catch up on his chores and is free to accompany Bob to the game while ensuring domestic bliss.
Bob and Bill go to the game but Bill's wife is upset that he is leaving his weekend chores undone.