Answer:
What is always in front of you but can't be seen?
I can be simple or I can be complex. I can be found in this riddle or in everyday life. I can be shapes or even colors.
I make you weak at the worst of all times. I keep you safe, I keep you fine. I make your hands sweat and your heart grow cold. I visit the weak, but seldom the bold. What am I?
I am the ultimate killing machine used not once but TWICE I can be made by humans.
People need me yet they give me away every day.
A little house full of meat, no door to go in and eat.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic