Answer:
I am just two and two. I am hot. I am cold. I am the parent of numbers that cannot be told. I am a gift beyond measure, a matter of course. What am I?
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
People need me yet they give me away every day.
You hold my tail while I fish for you. What am I?
Soft and cuddly I'll pull on your heart. But take my last name and I'll tear you apart.
Keep doing me to avoid lens dryness
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic