A One Letter Difference

All the lonely people
watching
All the lovely people
staring at
All the lonely people
explaining to
All the lovely people
ignoring
All the lonely people
envying
All the lovely people
looking down on
All the lonely people
listening carefully to
All the lovely people
scrutinizing
All the lonely people
observing
All the lovely people
measuring everything different in
All the lonely people
trying to get
All the lovely people
to notice that there's only one letter making them different.