However, I have to recite my usual maxim here: no cause with just one effect and no effect with just one cause.
There is (or may be, for you) something special about Comic Sans.
A thread.
1. Yes, zooming or enlarging text to make the lines shorter is a great hack.
2. If Comic Sans is working for you as a writing hack, keep doing it.
3. What works for you works for you. It can be fun to learn about why.