There are a few signs that may tell the girl whether the guy is a jerk. Some of the things are less visible and you may ignore them. Avoid lazy, aggressive and rude men.
Look through the list and see what it is that can help you determine who you are dealing with.
1. If the guy is nice by nature, he will never keep reminding you how nice he is. Only if this is not his true feature will he be talking about his greatest qualities. He is doing it in order not to let you see his worst ones!