Question: how to know if a guy already has a girlfriend?
Answer: 3.1 The Guy Will Not Take You Out In The Public., 3.2 He Never Invites You To His Place., 3.3 He's Not Answering Your Phone Calls., 3.4 He Doesn't Introduce You To His Friends., 3.5 He Hasn't Introduced You To His Parents Or Family., 3.6 He Doesn't Want To Spend The Night With You.