AskReddit: How Do You Know if You Love Someone? Redditors answer the question with these heart-warming comments: When you’re happy you want to be around them, when you’re mad at them you still want them around. When you wake up or find a great meme who’s the first person you want to share it with? When they get a bad haircut and you still want to be around them I think we dreamed each other into existence. Their happiness and well being is for you more important than your own happiness and well being. You're willing to pause a video game to answer hisher message or phone call.