Not a problem, Paul. …It’s best to never force a Fast, no matter how new or old you are to it. It should be relatively easy, or at least manageable. But we are all different, and some do find it much easier then others, and how much you have to lose does come into play for most. … Some even find it harder the closer they get to their maintenance weight, but others can still do relatively easy fast even then? Once you’re fat adapted, is usually becomes much easier. - But always listen to your body. If it wants food, it will definitely let you know. This can be in the form of many thing, such as hunger pains, headaches, overall wonky feelings, etc. Anything out of the norm, and you may want to take a listen. You can and will still get some hunger feelings at times, but most find that if you give it 15 or 20 minutes, it will let you know if you’re really needing something. Or taking in some salt, or fluids can help too. So if the hunger feelings subside, you can simply keep rolling on. But if it continues, I would personally listen. Nothing wrong with taking in some nice meals and just restarting another fast after you’ve enjoyed some food. 
And yes, as you mention some do Fast for days, weeks, etc. and again, this comes easier as you get more and more acclimated to Fasting. Plus how much one still might have to lose. - For me, I set a self-imposed 5-day limitation on Fasting, back before I even started Fasting. (There is really no rhyme or reason for this, other then I do at times miss eating a nice meal. But this is from desire, not necessarily hunger.) … But I also remember reading some other stuff back when I was researching all about Keto, Fasting, etc. & there were mentions of possible issues that could arise along with Fasting, but believe most of these did not come into play on what they referred to as ‘shorter Fast’, and I believe 5 days was also in that equation? So this could indeed have had some influence on my self imposed limitation as well? - Sorry, it’s been a while so don’t recall just what some of those issues were, but if I get time I will see if I can pull up some of that data so I can share it. Like I said, for me I wasn’t never planning to Fast for long stints, so to be honest I didn’t look too much into some of it.
Presently at 20 hrs. & still not sure if I will be doing OMAD, or just rolling with it? … Happy Fasting Folks
This seems to be currently my main MO presently. Seems every time ‘I’ or ‘we’ go grocery shopping, I want to Fast. And it’s pointed out to me as well.