Answer:
I have joy in bringing two together, but darning my existence! My life hangs by a thread, filled with ups, downs and resistance!
Consuming food would be pretty tough without these chompers
What kind of cup doesn't hold water?
A famous home without color and with wings.
You can draw me, fire me or fill me in.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?