I think it's about him suddenly being reminded of an old friend who he'd lost contact with.
Sometimes you can be very close to someone for a while but slowly you lose touch, drift apart and all of a sudden they are completely forgotten. Then one day you are reminded of your past friendship and you think back to all the good times you spent together and wonder how all that could have just been forgotten about.
I think it's about him suddenly being reminded of an old friend who he'd lost contact with.
Sometimes you can be very close to someone for a while but slowly you lose touch, drift apart and all of a sudden they are completely forgotten. Then one day you are reminded of your past friendship and you think back to all the good times you spent together and wonder how all that could have just been forgotten about.
I think Daniel is about something like that.