What are the Signs your ex boyfriend misses you..? and wants to talk to you again...?

My ex bf pranked called/text me thorugh his friends phone,saying perverted stuff and then he realzied i wasnt gonna respond so he said "Comon just say hi :(" and he seem lke SO desprete to talk to me idk why.We broke up 8 days ago and havent talked since.He glances at me in school and i feel him walking behind me and i can just feel him glancing at me.. what are the signs he misses me?? thanks:)