Valentine comes with so much love and care with a lot of emotional mysteries attached to it.

Valentine is also known as Saint Valentine of Rome, is a third-century Roman saint widely celebrated on February 14 and commonly associated with love. It is also agreed that Saint Valentine was martyred and buried on the Via Flaminia to the north of Rome.
According to history survey, saint valentine healed the daughter of a renowned judge, who was blind known as Judge Asterius, and this encouraged him to convert his entire household of about 44 to Christianity and also freed his prisoners, who were Christians. Saint Valentine was arrested and jailed by Roman emperor Claudius Gothicus for marrying Christian couples and aiding Christians to be persecuted by Claudius in Rome. He later did worst in an attempt to convince Claudius to be a Christian. Claudius became angry with him and sentenced Valentine to death, commanding him to renounce his faith or be beaten with clubs and beheaded.
http://healthful.com.ng/the-joyful-mysteries-of-valentine/