TTC Girl questions

[thirdtimeclucky]

I just have a few questions for my first sway attempt (aiming for end August or September).
I'm hoping Atomic can help me. Or anyone else who might be able to answer my questions.

I have started the LE diet and think I'm getting the hang of things.
Should I have DH on the same diet or can I just get him to do some things like cutting out red meat, lowering protein etc?
He's happy to do whatever I tell him as he knows how important this is
Should I have him on supplements?
I have cranberry, liquorice root, magnesium and calcium, but I now know magnesium and calcium aren't really recommended. Is this correct?

I have been taking Vitex for the past few months to try to regulate my cycle, which has become really irregular in the past year. It's super short (3 weeks mostly) and my luteal phase is only 7-10 days normally. I know anything more than 9 or so is ok so I'm hoping this won't be an issue.
I am however worried that I won't know when to DTD because my O is all over the place still.
I saw on here that every 4 days is a good idea, is that right? And stop when I get a positive O test?
Should I still be taking Vitex?

Should I be on any other supplements? I know they're not really recommended, but should I be taking Folate already, or just wait until I actually start trying?
How much should I be on?

Thanks!

[atomic sagebrush]

DH does not need to do full LE Diet. if he wants to cut back on meat or go full vegetarian, great. If he won't, no worries.

Ditch the vitex. It is very likely causing the issues with your cycle.

Can you tell me more about your weight and the diet you're eating?? I'm worried tossing too strict a diet on top of that messed up cycle will cause you to stop ovulating.

I honestly can't give blanket guidelines on husband's supps without a custom plan, I just don't know about his health, age, sperm quality, etc.