At some point in one's life, one just find it difficult to talk to people and then if feels like one is lonely. It can really be tough situation and I think I'd personally been there and I do not wish to experience it anymore as it could easily push one to depression.
I personally think the sketch above is one of the best I have had recently using the hatching technique of drawing. I am still exploring and practicing and as time goes on, I am sure I can only keep getting better at these things concerning art!
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Kindly share your thoughts as comments below, I'll be glad to read and reply them all. Thanks.