How do you become happier while single?

Anonymous
I have never had a girlfriend at the age of 25. I have tried several times to start a relationship, and each attempt ended in soul-crushing failure. At this point I just feel undesirable, but I'm also realistic about it. I know that there is at least one woman on the planet that will date me that I would also consider dating, but honestly I might just be happier giving up. Dedicating my time and livelihood in order to find a girl is taxing my mental health slowly. It just seems like I am always the one trying to make interactions happen. I go out of my way to be nice and attentive to the girls I like, and I'm always conscious of their boundaries. I just get lukewarm and indifferent responses as a result, and I'm never told why. I wish for once in my life someone would be the one to show interest in me and actively try to keep my attention, but it feels like no one cares. I want to learn to be happier as a single man, but I feel too lonely. My parents are upset with me because I'm not able to give them a grandkid. I try spending time with my friends, but they are starting to become too occupied with their relationships. They're all getting married. I spend my free time going to the gym and playing League of Legends now. I don't want to sound morbid but..
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1 y
I guess the first step would be to quit League, yea?
How do you become happier while single?
3 Opinion