There are many stories and methodologies associated with the history and significance of Valentine’s Day. One story says that Saint Valentine was imprisoned for performing weddings for soldiers who were forbidden to marry and for ministering to Christians, who were persecuted under the Roman Empire. During his imprisonment, he is said to have healed the daughter of his jailer, Asterius. Legend states that before his execution he wrote her a letter "from your Valentine" as a farewell. (Source: Wikipedia)
If you search the internet, you will find a lot of beautiful valentine’s messages and poems. A Valentine message is the best way to convey your love.
The rose is red, the violet's blue,
The honey's sweet, and so are you.
Thou art my love and I am thine;
I drew thee to my Valentine:
The lot was cast and then I drew,
And Fortune said it shou'd be you. (Source: Wikipedia)
Though Valentine’s Day is mainly aimed for lovers, but it can is be celebrated with friends and family.