~~ keep your balance

the human body is full of bacteria
some good
some bad

E. coli is the best known bacterium 

that regularly associates itself with humans

it is the most studied of all bacteria
a sequence of 4,288 genes on its chromosome
but we don't entirely understand
its relationship with humans
and their normal flora
both host and bacteria benefit from each other
and the feeling is mutual
nutrients, a stable environment, protection

there are also parasitic flora
who live at the expense of the host
opportunistic infectors
striking when defences are let down

sometimes the relationship between them
can't be deciphered
where there is no apparent benefit or harm to either
a commensal relationship

thinking on this
when you visit a new country
or become close to people
your flora can be unbalanced
your normal shaken up
it takes time for you to adjust

but it's up to you to notice
wait for things to calm
or take action to make it right