An HN post is a good start. Open a small page and post the moments you shared with him and what you miss of his character, and all this experience you're feel

An HN post is a good start. Open a small page and post the moments you shared with him and what you miss of his character, and all this experience you're feeling. It's fine not to open it to comments. Your heart is already processing grief, that's empathy, feel it.