Is that depression that I am suffering from, and If it is can anyone please give me advice?

Do you ever feel that nothing is going to be enough to satisfy you?
I have been through a lot of messed up situations, starting from family problems, betrayal from best friends, insecurities about my short stature, and my girlfriend who couldn't accept me because of my short stature, I know feel like I am drowning, I can't take a deep breath, I have a weird pain in my chest area as if I am suffocating, I am very successful and yet I can't even enjoy my success, I feel like whatever success I achieve or whatever of everything that I gain, It will never be enough, I feel like I lost hope, If there is any advice you could give me I would be so thankful.
Is that depression that I am suffering from, and If it is can anyone please give me advice?
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