Ex boyfriend is screen shoting texts of him talking to his ex first love girlfriend on IG. Do you think he is doing that to get me jealous?

But him and his ex first love girlfriend are talking just as friends. She told him that he will pray for him & hope he gets better. She said that she will focus on herself. Then he screen shot another texts of her saying don't come over here. Me & him broke up 6 months ago. He broke up with me and I told him that I would always love him no matter what. He told me that he wanted to still be friends but I deleted him off my social media pages. Then 2 weeks ago I added him back and every time I post a pic of myself he likes it and he watches all of my videos that I post because it says it. he even liked a pic of mines from November. I also watch all of his videos he post up & like some of his pics and he knows this. He knows that deep down inside i still love him. Do you think he is doing this to make me jealous? He also put a post last night saying that both of his ex girlfriends are opposite from each other and him. He saw me outside in Oct and gave me a hug and started talking to me for about 10 mins. Do you think he is doing this to make me jealous? Also if he is trying to make me jealous why is he doing this?