I love, love, love Calvin Klein Obsession for my husband! It is the ONLY cologne that I buy for him. He almost always gets a travel size Obsession in his Christmas Stocking, and almost always gets a full size bottle too! Calvin Klein Obsession is a tried and true classic. The saying "a little goes a long way" is true for Obsession cologne - you man will only need to use a small amount in the morning, and that sexy, masculine scent will last all day. I do not think you can go wrong with Calvin Klein Obsession cologne - perfect for Christmas gifts, Valentine's Day Gifts (sexy smell), birthdays, and every day!