What Am I Riddles

Question: What flies when it's born, lies when it's alive, and runs when it's dead?

Question: In spring I look gay, Covered in a green array, The warmer it gets the more clothing I wear, As the cold grows, I throw away my clothes.

What am I?

Question: I have a few points but we're not competing.
And I'll help you win when you're eating.

What am I?

Question: You can play me and pull me,
I love the naive.
I'm enjoyable to give,
but bad to receive.

What am I?

Question: After you go through a fall I will take over.All life will stall, or at least grow slower.What am I?