I was going to suggest some of the Proverbs...
Pro 5:1-8 (ESV) My son, be attentive to my wisdom; incline your ear to my understanding, 2 that you may keep discretion, and your lips may guard knowledge. 3 For the lips of a forbidden woman drip honey, and her speech is smoother than oil, 4 but in the end she is bitter as wormwood, sharp as a two-edged sword. 5 Her feet go down to death; her steps follow the path to Sheol; 6 she does not ponder the path of life; her ways wander, and she does not know it. 7 And now, O sons, listen to me, and do not depart from the words of my mouth. 8 Keep your way far from her, and do not go near the door of her house...