Is saying "I don't believe in the existence of love" or "I have lost faith in love" considered disbelief (kufr)?

This statement is general, and passing judgment on it requires clarification. If its utterer intends to deny his love for Allah, then he is in grave danger and may reach a state of disbelief (kufr), because a servant's love for his Lord, love for His Messenger, and His religion, and love for Allah and in Allah, are all signs of faith. However, if he intends to deny natural love, such as that between a parent and child, then this is obstinacy and foolishness, and it does not entail disbelief or faith.