Here you can see your mistakes and start doing these things properly.
How to wear a bobby pin: the wavy part in created to be pointed inwards in order to take and hold a longer portion of your hair.
How to cut a watermelon: in order to retain the juice in the watermelon you should cross it wise.
How to eat a cupcake: it is advisable to eat it like a sandwich and make your life more simple.
How to hold a wine glass: simply use pinch stem of the glass between the first finger and the thumb.
How to insert earphones: below you can see one short video and you probably will be stunned.
How to hold a pen: check the video
How to cross words: it would be much easier to superimpose them with some other words.
These tips will make your life easier. Check the video below: