Lyric discussion by Fa 

Cover art for Give 'Em Hell Kid lyrics by My Chemical Romance

I thought at the end he said 'What you told me...well there's no way I can forget that...'

I interpreted this, straight off, as being in love with somebody who has broken up with you, and being torn between wanting them to be happy - 'so go on live your life', but wanting them to be happy with you 'I miss you more than I did yesterday'.