deepen, intensify - turn into additional rigorous; "The talk intensified"; "His dislike for Uncooked fish only deepened in Japan" Irrespective of whether that’s liking an image, observing a movie, leaving a remark, or clicking with a hyperlink, you wish your viewers to be as engaged as you possibly can. https://www.youtube.com/watch?v=JwKJVEjXOtg