If he tells you he loves you, he's only saying it because you said "I love you" first. If he smiles when he sees you, listens and truly wants to hear what you have to say, and goes out of his way to contact you or just see you, then he obviously loves you.
If he tells you he loves you, he's only saying it because you said "I love you" first. If he smiles when he sees you, listens and truly wants to hear what you have to say, and goes out of his way to contact you or just see you, then he obviously loves you.