Indeed it is, I actually posted
another one a few pages back.
I totally agree as well, some days for me are great, because being an introvert I do like to spend time by myself, but not having a girlfriend or having ever been in a relationship can really hurt sometimes, especially when you look around see so many happy couples. I actually "deleted" (not disabled) my Facebook account a few months ago because I was so sick of seeing all my younger friends getting married and starting families. I feel sick just thinking about it.
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Edit:
But when I look at from another perspective, it's as if I feel like I deserve to have all this happiness, just because everyone else has it, rather than just being content with what I have; a unique living being in an existence that nobody really understands.
I should be less greedy.