Mysterious of the Guy!

The guy mysterious in ways Lizzy may never know. Alexander he was someone that is close behind walls. Lizzy never met him but he asked for her on the phone a guy who was her brother tom girlfriend brother and Lizzy starts falling in love. Its been 5 years since they last broke up and talk. Then one day Lizzy found out she had added him on her social media and like one of his pictures. would he message her and give them a second chance? Or will they lose touch again forever?