Back from my trip

Back from my US trip on Sunday night. Tired.

Go to work this morning. Really feel that Hong Kong is a breathless city, really, not kidding.

When I waiting for bus at Hunghom X-Harbour tunnel, I feel hot and wet, especially when a bus comes close and exhaust hot waste gas before me. I feel can't breath and a little bit faint.

I am so weak. Should I have another vacation?