Yes. You do have to write thank you cards for your wedding.
While there are a lot of wedding traditions you can take or leave, thank you cards are about manners. Wedding guests go all out, gifting money and expensive presents — even if you've asked them not to!
A hand-written thank you card shows you appreciate what they've done to support you.
But hand-writing thank you cards doesn't mean risking RSI. There are a few things you can do to make it easier on yourself — while still making the cards feel personal and appreciated.