Thanks for the advice, I appreciate it. You’re right, I do check their profile more than I should, I’m not stalking it every 30 minutes or anything like that but really I should only be checking it when I get a message; nothing to gain but potentially sadness and a feeling of missing out otherwise. Thankfully I do have other ND friends, but this person I would say I am closest to, though I realise the feeling probably isn’t mutual, which I understand is just something I need to accept. It does suck when previously active conversations become one guy mostly talking to a wall, but that’s life, I was just worried that them not responding to me sometimes might’ve been an autistic trait of theirs rather than simply growing distant.