We'll Be Friends Until We're Old And Senile, Then We'll Be New Best Friends personalized mugs. There are so many opportunities to celebrate your beautiful friendship, such as birthdays, Christmas, and other sentimental moments "You're my person" - even if you're thousands of miles apart. Best friends personalized coffee mugs will surely touch your bestie's heart wherever they are with their beautiful customization and heart-melting quote. These custom mugs are the true definition of good birthday gifts or unique gifts for friends.