when a guy loves you, he definitly wants to know more about you. So, he asks many questions.
When a guy loves you secretly then he always carries a willing heart for you to help you at any time.
Spending time with a group of friends is exciting but spending alone time is romantic, so he wants to spend alone time with you.
When a guy loves you, he touches you without any reason means gives you welcome hugs, kisses or holding your hands for showing his love.
When a person responds first to whatever you do or say and helps you to make your work easy and he gives you company
When the guy lets you be introduced to his inner circle or invites you to his family function then you sure that he secretly loves you.