Opportunistic Beast

Never heeding words of warning To you I am just a feast Any room you'll find your way in Such an opportunistic beast Doesn't matter my protection Cannot get away from you I wonder why I'm your selection When I see you, troubles brew I won't bear the indignation Hoping you'll just go away It results in altercation Just a victim that you prey In my mind I make a war plan Something buzzing at my ear Surely it is nothing more than Just a tiny thing I fear At the time I'm restless, searching Time to make that fatal blow On my arm it's you there perching One slap, dead, you mosquito