My heart aches again

It's my 9th day on the journey and I already feel tired. My heart aches and I feel lack of energy to move on in the afternoon. Every step requires an extra effort than yesterday. I know I am old but I never thought I am that old that I can't even go through the day. I returned to the hostel a little past 7. Sitting down and waiting my energy to come back. I cannot fully concentrated on writing even now which is nearly one and a half hour later. 

Some said everyone knows their days somewhere in the subconscious. Sometimes I doubt if my day has already arrived. I feel like I am dying somehow....it's closer than ever.