if he texts first.
does he hug you when you meet him?
does he kiss you?
does he call your phone without reason?
does he ask you how was your day AND listen to your answer?
does he try to understand your Feelings and to guess your thoughts?
then he loves you.....
The little stuff he does. He can say i love you or spend time with you, but it's the little things.
umm he is concerned about you