Ways to know that a man loves his significant other is when the man makes long and repeated eye contact with the significant other and when the man asks his significant other a lot of personal questions that seek detailed information about her. Other signs that a man loves his significant other include when the man is proud of his partner and wants to show her off to relatives and introduce her to his friends.
Additional signs that a man loves his significant other include when he puts in a lot of effort to surprise his partner with things that make her happy. This can include giving her flowers or other presents without a special occasion or it can mean taking her to a movie or another place that she wants to go.
A man that loves his partner is a good listener for the partner. If the man remembers every conversation he had with a partner and knows everything that she said, it is a good sign that the man loves her. A man who loves his significant other continues to listen when the partner tells a long story or otherwise speaks for a long period of time. The man also likely keeps small items that remind him of his partner or souvenirs from dates.
When a man loves his significant other, he often says so. If a man often tells his partner that he loves her or if he often tells other people that he loves his partner, it is a sign that he loves her. A man in love also tries to make his partner feel good about herself by complimenting her or laughing at her jokes.