1. He doesn’t get weird when talking about future plans, whether it’s a concert that’s a couple months away, or a wedding he wants to bring you to as his guest.
2. When he goes up to the bar to get another drink, he gets one for you too without asking, because he pays attention to what you order.
3. He’s extra attentive when you tell him you’re having a bad day, by sending you encouraging texts or offering to come over after work to cheer you up.