Surprisingly the answer to your question is quite involved. I will answer it from a freedivers point of view. First of all, holding your breath has different effects depending on what circumstances you do it under. When you exercise normally your breath will increase as a response to the increased levels of CO2 in your blood.
February 14 is celebrated as St. Valentine's Day in various Christian denominations; it has, for example, the rank of 'commemoration' in the calendar of saints in the Anglican Communion. In addition, the feast day of Saint Valentine is also given in the calendar of saints of the Lutheran Church.
Valentine's Day 101: History and facts (including how much money is spent on flowers) Updated on February 12, 2016 at 9:59 AM Posted on February 11, 2016 at 11:44 AM Valentine's Day 2016 by the numbers Americans spent more money on Valentine's Day related goods and services last year than the GDP of more than 80 countries, roughly $19 billion.