✔ Wash your clothes as little as possible
✔ Repair if, and as soon as, necessary
✔ Learn how to remove stains, and get to them as soon as they appear
✔ Store them carefully, and prevent moths and other pests from getting to them
✔ Wear an apron while making food (and a bib while you eat)
✔ Wear deodorant without aluminium, or let your deodorant dry completely before putting on your shirt (or just don't wear deodorant)
✔ Redesign or use it for something else once it is completely worn out
✔ Be aware of your surroundings – maybe don't go play in the rose bushes while wearing wool and silk