Chest cracks

Is it normal I love cracking my chest sternum and rib area. sometimes when stressed it feels tight but a quick adjustment I get either a popping sensation or the feeling of pulling apart velcro and the tightness goes away for a while. Im seriously addicted to joint cracking but fortunatly only in my knuckles and sternum area. Plus I dont think its healthy for the joints and surroinding tissue and wouldnt recomend it as once you start its hard to stop. I feel its soo good though I obsess to the point where Id like to like see what is happening aaargh what is it its great its like having a refreshing drink when thirsty or getting into the bath. Just that we emoment