Problem: A large christmas tree is sitting in a room. a man and woman

Answer: are putting lights on the christmas tree.

Problem: How to make your eyes water
Cut some onions.
Onions soak up sulfur from the soil when growing, and when you chop them up, you break open cells in the onion and release enzymes that mix with the sulfur. This creates an invisible gas that causes a burning sensation in your eyes, causing you to tear up without crying.

Answer: Chop some onions and linger over them. Some people are more sensitive than others; you may only need to cut a little bit of the onion, or you may need to really linger.

Problem: How to train your' v shaped' walking style to a straight style
Watch your feet.
Observe how you stand and walk. If your feet are automatically in a v-shape, watch the extent to which they turn out to help you figure out the extent to which you need to turn you feet inwards.
Answer: Use a mirror to watch your feet. Make sure to observe your feet as you stand and as you are walking.