A decent grooming gift set means someone has noticed what he actually uses and upgraded it. Not novelty soap shaped like a saxophone. Proper aftershave balm, a quality face wash, maybe a nice cologne or beard oil. The packaging matters because he will keep the box and these things tend to live somewhere visible in a bathroom. A luxury grooming set reads as romantic because it suggests you know his routine and care enough to improve it. These are gifts that get used immediately and genuinely make his daily life slightly better.