Jake tends to have his eyes closed whenever he sings really emotional songs. Being a singer myself, it's kinda just something that happens a lot when you're really into the song.
Are 당신 implying that Hedley is a single person? If 당신 are, learn your facts first. If 당신 just made a stupid mistake, then JAKE usually closes his eyes because it's emotional. 당신 try not being moved, closing your eyes 또는 getting 구스범스 while listening to Hedley.