has anyone ever felt so sad then when talking to that special someone they feel amazing and that everything great then as soon as they stop talking to them in a conversation you feel just as depressed as you were before you started the conversation

Lol this happens so many times with me.

satin. 

"very shiny satin may look great in the fabric store or in the sewing room, but once onstage it can look fake and cheap as it reflects the light from the fixtures."

i would say the answer is b. zigzag lines of the leaves. i believe this is the answer because zigzag lines go in different direction while the other options like: the vertical lines of the trees, the dotted lines on the road, and the curved lines of the park benches go in one direction.