I think its true
Hope this helps :)!
I think it is because the water is condensed in the air and the air is now hot INSIDE the shower, but when you step out the air isnt as condensed as it was in the shower.
Hope this helps
The total weight of all living organisms
That is something that cant be explained you will have to go to a doctor or a medical person or physician for that .
or try avoid using a cold shower take a hot shower