Answer:
He incorporates a feeling, love, into his speech for the purposes of pathos, which is a way to make the audience persuaded with emotions.
Asking them how they are and bringing up a recent topic
Base on the question where as asking to complete the passage and base on my research and further investigation, One of the way to develop a main idea for the advertisement is to conduct product research. I hope you are satisfied with my answer and feel free to ask for more if you have question and further clarification
I believe it is personification because he is giving the sand the ability to stretch and to be alone which sand cannot do.