"Porque Eu Sei que É Amor" is a single by Titãs, released in July 2009.
[1] It is composed by Sérgio Britto and Paulo Miklos and sung by the latter.
The song is featured at the soundtrack of Rede Globo's telenovela Cama de Gato.
The video features images of some women, with close-ups of their faces.
Paulo Miklos, Tony Bellotto and Branco Mello are briefly shown through the video, directed by Branco Mello himself and Diana Bouth.