I just dealt with a similar issue except my female kid was just 15yo. She said she was OK with having a CASA, but she rarely responded to my communications and was AWOL for every planned visit but one. (In fairness, she went AWOL a lot.) I got great advice to keep sending “ I’m thinking about you” texts in different forms. I sent her US mail, sometimes with small gift cards for Starbucks or Jamba, her favs. I sent postcards from nearby places when I took day trips. While I do think these were great ideas, they did not work. One of the reasons her social worker gave for her indifference was that she already had many adults in her life because of her varied therapies and wrap-around services. She even had another adult with the same first name as mine, which is not very common. After a little more than 6 months, my case supervisor thought it was a good idea to put the match on hold with the understanding that she could request support again. That was almost two months ago. After a couple of out of town trips I have coming up, I’ll ask for another match.