Now about food sacrificed to idols: We know that we all possess knowledge. Knowledge puffs up, but love builds up. (1 Cor. 8:1)
The good man brings good things out of the good stored up in his heart, and the evil man brings evil things out of the evil stored up in his heart. For out of the overflow of his heart his mouth speaks. (Luke 6:45)You need your heart to be filled with good things, not just your head.
If you would like to do this, here is the way to start filling your heart.