How many lessons a day

Hello ladies and gentlemen, I've just joined today and watched two lessons. I am kind of unsure of the numbers of lessons I should take per day. I'd be very pleased if you could help me.
Ocean of thanks

Here's an article I wrote to answer this question: https://www.30daysinger.com/blog/one-lesson-per-day-how-to-practice-for-the-best-results. Have fun!