There's something about shopping for 1st Father's Day gifts that makes it such a challenge. You want to really surprise him with something that feels uniquely different, not just a pair of socks. What do you get a man who's celebrating his first-ever Father's Day - possibly a day he'll vividly remember 50 years from now? Answer: A "Our first father's day together." personalized coffee mug from Gossby. Customizable to your heart's content, it's the perfect practical gift to commemorate one of the biggest milestones in any man's life.