businessman thinking at desk

40 40s 45 adult alone american business businessman businesspeople busy caucasian collar color computer concentrating concentration consideration corporate corporation desk desktop european face focus focusing fourties goodlooking gray grey handsome image indoor indoors lifestyle look looking male man mature monitor office offish one only people person photo problem problems professional professionals room screen serious severe severity shirt single sit sitting solution stockphoto table think thinking thoughtful tie trouble troubled unsmiling using white work worker working workplace years