What's Truly Hidden in the Words

Doubts have been around almost since day one,
eventually doubts havE a way of sneaking in.
strong people have even been victim to doubtS.
Perfection is impossible,
especially when many havE,
have regrets, tRoubles, and trials in their lives.
Anger has always been a monster to keep away.
until it manages to bUrst out at the seams.
eXcited it runs and destroys the calm at sea.
♠ ♠ ♠
having a problem with any doubts, i hope that this poem can maybe possibly in some way help
(Can you figure out what the word hidden in the poem is?)