heavy burden

Today, I go out and find a room for rent, i took my hand bag with me. I knew it was heavy, but i thought i could bear it. But after the half day, dragging my bag with me, now i feel my shoulder aching.
On the way home, i thought about life.
I thought that all the things in bag are necessary, but looking back, except my purse, key and hand phone, I didn't use anything else in my bag.But i carried a heavy burden the whole evening.
I think this is a lesson for my life,
I am bringing a heavy burden along my life, but the things i am carrying are really not necessary for me.
I may not know what i am carrying or how heavy the load is, only after the day has ended, only then i feel how much painful my shoulder is.
I THINK IT IS TIME I PUT DOWN MY HEAVY BURDENS AND GO ON WITH A LIGHTER HEART