Another life

If I have another life on Earth after this, which person will I be?
I wonder if time always flows linearly
And maybe, just maybe, I'll interact with a younger me
One who was having a bad day and acting callously

Would I have acted differently?
Should it really matter philosophically?
If the actions we do to others, somewhere down the line
May one day be done to us, as that body holds our mind

It may be self-centred, but I tend to find
It helps me be a little more forgiving, give others more time
Some may discard this notion of this fanciful rhyme
I'd ask you to listen once more as I opine

It's very easy to keep acting as you do and hold your pride
But if you realised your impact on other you may decide
That though we are imperfections with good meanings on the side
It's worth the effort, for how you make others feel inside.