Hi ,
it's a great translation you have written , but there is one line which is slightly wrong.
"I know I'll often stop and think about them" , in this line he says he will often stop whatever he is doing specifically to think about all these people and things from before, and yet ,he goes on to say " I'll love you more ".
You have translated the line as if he stops thinking about them...which is quite the opposite....perhaps a better translation might be :
" je sais que je vais souvent arreter rien que pour penser a eux " , ou quelquechose comme ca.