about a year a go i broke up with my ex. i thought that he had moved on, but last week my bff told me he asked her about me and asked who is the brown hair guy on my facebook.. i was like... how did he know about him. i thought i had removed my ex from my facebook, but i have so many friends already that its so hard to find if i have him or not, so does anyone know how to tell if someone is on your facebook?