The star has recalled his past dating disasters, including one girl he likened to smooching with an ice lolly and another whose enthusiasm injured his face.
Styles tells British magazine Ok!, "(With one girl) it was like she was having an ice lolly. It was more like a cat drinking water from a bowl. Then somebody cut my lip once! She came in a bit fast, hit my lip onto my tooth and it started bleeding. There was blood everywhere."