What is the best interval for Botox injections to reduce square jaw muscles?

Unconsciously clenching one's teeth when in a deep sleep at night

Due to a bad habit, my jaw muscles have become stiff and tight like a rock.
As my muscles gradually grew larger, my jawline, which used to be slender,

Now that I’ve turned into a perfect square, I get extremely stressed about my appearance every time I look in the mirror.
It is a surefire way to reduce the size of hard muscles.

I am thinking of taking this opportunity to get proper square jaw Botox at a dermatology clinic and regain my V-line.
The procedure takes less than five minutes and allows for daily life.

It's really nice that it doesn't cause any issues, but I heard that since it isn't permanent, I have to get Botox periodically.
The state of the jawline becoming slimmer after the first injection at the dermatology clinic

To maintain my beauty for a long time, how many months should I schedule the next Botox treatment?
I'm worried that I might develop resistance if I get shot too often for short periods.

I'm worried that if I get it too late, my muscles will grow back, so I want to know the perfect and ideal Botox injection cycle.
Nowadays, there are also pure toxin products that have significantly lowered the probability of resistance development.

I heard that it appeared frequently in hospitals, so I'm wondering if getting Botox with that would be much safer, even if I get it multiple times.
If you avoid tough foods like squid and reduce the use of your jaw muscles

I heard a tip that the effects of the injection last much longer, so I would like to hear your personal experiences to see if that is actually the case.
To regain a smooth and slender V-line jaw

I will carefully take notes in my diary on the valuable advice from community members.
The degree of stinging pain during the procedure and after the injection

I would also appreciate it if you could provide some basic precautions on how many days I should avoid drinking or smoking.