Ds is 6 and I've been single since being pregnant with him. His dad has a son from his marriage who is in his early 20s. We all live at opposite ends of the country. Gifts are sent at Christmas and birthdays but trying to communicate is like pulling teeth yet I've tried for the sake of ds. His brother's mum has always promoted a relationship between them although they have never met so it's been through presents and the odd card. They've spoken once on FaceTime. I keep in touch and send photos and general news. I always get a reply but the replies are very short and offer no chance for further conversation. He always sounds very negative and gloomy. They were due to meet before the pandemic hit but even once restrictions are lifted I can't see this happening. Ds has asked for phone calls but his brother has said he's busy with his gf. I know his brother from before my relationship with his dad and we got on well so it's not like he doesn't know me, and my relationship with his dad was 6 years after his parent's divorce. Distance is of course an issue to actually meeting but I get the impression he's not interested anyway and I feel protective of ds and don't want him to feel rejected. His dad doesn't have any contact with him and met him once as a baby. What would you do in this situation? Should I I just let it drift and continue with Christmas and birthday gifts and cards?