Complicated Monkey

I'm a complicated monkey sometimes I think I'm funny just when you think you know me I go crazy I have always been this way no matter what they say I haven't changed a bit I'm lazy but if I make a promise then you will find me honest I deliver on my word though hazy I'm a saint not a sinner at each Thanksgiving dinner I will show up once again with gravy and if I really like you you will know that too I'm a complicated monkey you're my daisy yes I'm a complicated monkey sometimes I think I'm funny just when you think you know me I go crazy