Why Islam forbids the celebration of Valentine's Day?

Valentine's Day, which is celebrated in Western countries annually on February 14, is not celebrated by Muslims because Islam prohibits dating and romance outside marriage, both of which Valentine’s Day encourages.
Islam encourages strong bonds among family members and brotherhood among Muslims, and does not restrict the expression of this marital, or familial love to just one day a year.
The origin of Valentine's Day lies in Roman history, purportedly connected to a “saint” called “Valentine”, who was sentenced to death on 14th February 270 CE.
It began as a pagan ritual started by Romans in the 4th century BC to honor their false god Lupercus. The main attraction of this ritual was a lottery held to distribute young women to young men for “entertainment and pleasure”.
In this way, Valentine’s Day promotes adultery and promiscuous relationships, which undermine and jeopardize the sanctity of marriage and the stability of the family unit.
It leads to unnecessary expenditure and promotes fornication, drinking, and immorality. This day also compounds a sense of deprivation, loneliness, and low self-worth among those people who are single.
It is obvious, then, that a Muslim should not celebrate it.
Any wise person, from whatever religion, will willingly and objectively attest to the absolute absurdity and superficial, flimsy foundation of Valentine’s Day.
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