The last thing Adam needed in his life was a text message from an unknown number. Specially if the stranger keeps texting him. Dealing with fame, paparazzis and the press was stressfull enough. And now... this. He didn't need his phone getting out there again. He could see all the sobbings and screams from fangirls, coming whenever he would pick his phone up. Anyone in his situation would ignore and block the misterious number. First, all he could ever think of was annoyance. But he didn't expect feeling then like he had to reply. It all started with a text message Luli sent to a wrong number. Little did she know it was Adam Levine himself. Will he trust Luli enough to tell her who he really is? Will she eventually find out? Could he be head over heels for her? Common questions that flowed through Adam's mind. Find out how this keeps growing in "Head Over Heels". Got the idea from "If Only I could Hear Your Voice", a Darren Criss fanfiction, based on "Little Numbers" from iknowitainteasy.