1. Grasping hands
If you hold a guy's hand in public or in front of other attractive guys, he will feel more attractive and cherished by you. This, of course, raises their self-esteem.

2. Dependency
A guy will depend on you if he truly loves you. You'll feel that everything in the world—including food, sleep, and life—is focused on him.

3. Actions speak louder than words: According to psychology, a guy who truly loves you won't always express it verbally; instead, he will show it via his deeds. Guys find it more convenient to express their affection, but girls would rather talk about it , guys are less in expressing the feelings mainly girls should understand there man , try to know about his feelings without expressing it words , always stay calm and understand them.

4. Flirting Research indicates that although men may flirt with different women throughout the day, they will ultimately reflect on the person they truly love just before going to sleep.      

                                               
5. Love and Breakdown
Studies reveal that males express their emotions and fall in love significantly more quickly than women. Breakups also cause more pain for men than for women.

6. Envy
According to research, women are more likely to be jealous of their affluent and high-status male partners than men are of their youthful, gorgeous female partners when they are in a romantic relationship.

7. Adorations
A guy will always remember a girl who makes him feel special and appreciates him for the rest of his life.

8. React promptly
A guy will always reply to his spouse right away if he is in love. He may be asked to be there by his partner via text, phone call, or other means. Slow reactions are one of the biggest indicators that a guy is not engaged in a relationship or in love.

9. Self-promotion
A guy will hold your hands when he walks into a room, stroke your hair, or touch your face in public if he is in love because he wants everyone to know about it. While his spouse is there, a male can flirt with other women if he's lost interest in a relationship or has fallen out of love.

12. Commitments

Although research shows that men can go astray even in romantic relationships. However, if a guy really loves a girl, he will stay true to his relationship until he feels neglected or not appreciated.