As the title suggested, I am sick now!!
After back from the Belgium+Holland 5 days trip, my battery had been fully exhausted. After being charged for 2 days, I sign up for another Isle of Wight+Wales 5 days trip. As a result, I am a dead man now!
Everything happen for a reason.
Thus, I tried to find out the reason why I am sick, and I think the pictures below had explained for me:
(The pictures below shared a same feature, please see whether you can find it out)
(The answer is in the comment box, check whether you got it right and drop a comment)
[BTW, when I finished this post, I feel hungry]