pacemaker vs pace 맞춰주는 사람

When you wear Converse shoes and I wear high heels our heights are about the same and we can see each other eye to eye. And that feels really good.
When you walk slowly because you know my feet hurt in those heels that feels really good.
(I know I'm interpreting this with no regard to what you were actually thinking, but)
Because sometimes we need a pacemaker, that will push us harder and encourage us to push the limit, but at other times we need someone who can just understand how tiresome and trying that process is, and the pain we've gone through.
When we get all excited talking about the unique satisfaction of a pair of shoes can bring, that feels really good.
And when we talk about all the nonsense we've been through -- either together or apart -- I suddenly realize that I've known you for quite some time and that's a good feeling too.
And I wonder why, how, we still meet up.
And when the sun starts to go down and it starts getting chilly
I think for a moment whether I should... walk arm in arm with you, but I don't.
And when finally my bus arrives, I think for a moment whether I should ask if I can hold you , just once, but I don't.
And I'm surprised at myself for thinking that, even for a moment. And I pat you on the shoulder instead.
And on the bus I know I did the right thing but I start to wonder, whether this is the end, whether there will still be an 'us' when we come back from where we've been...