Changing things up every once in a while is never a bad idea.
For example, after using the same stickers for a while, you look for more.
And, when that happens, you even end up creating your own.
When you first load the app, itll take you through the installation process and have you switch keyboards.
Once the setup is done, the app will let you try out the keyboard before typing in WhatsApp.
All the font styles the app has to offer will be right above the text.
Conclusion
What matters in a message is that the other person can understand it.
After a while, it gets boring having to look at the same font style day after day.