While writing a get well card to someone it is very important to choose and use your words wisely. You may not know it but effective messages can actually help someone to heal from their pain. By highlighting the futures happiness and the success you can make someone feel very positive about their situation. However, for most people, it is not easy to know what to say in a get well card. However, whenever you are going to write a get well card for someone you always should focus on these three things:

The personality of the person you are writing to
Your relationship with them
What condition you want to address

Either you are writing to someone for health recovery, or are you writing a funny get well for an emotionally damaged person to lift up their morale, below mentioned points will always help you to stay to the point while being effective:

Begin with a warm gesture
Write those get well wishes
Dont be shy express yourself to the person
Write get-well prayers, if the person is religious.

https://www.greetingsisland.com/blog/best-get-well-wishes-quotes-for-a-speedy-recovery/