Dont pretend to like someone for their feelings sake. Because eventually you'll leave them, and they'll be left wondering why their "friend" suddenly avoids them or has them blocked or etc. In trying not to hurt, you're just setting them up for a bigger, more personal pain.
Person A: I have anxiety and at least one social disorder. Person B: Me, too. I'm gonna go see a specialist. Person A: I'm gonna create a Youtube Drama Channel and search out upsetting things for content.