WRONG THINGS WE SAY TO PEOPLE...
#1. "You never marry? Wetin you dey wait for?” and “when will you call us to eat rice” are JUST PLAIN RUDE questions and again, none of your business!
Do people marry themselves? Is it by force to marry? Do not offer dating advice or tell them they are picky or do not pray hard enough.
Because you crawled into a compost pile and selected ‘Baba Ibeji’ does not mean you are now a "How-To-Find-A-Spouse" hexpat. Unless you want to propose, do not prod people to know why they are single. If you want to eat rice, cook it!

#2. “You still dey do fine girl and fine boy, you no wan born?" This is one of the WORST things you can say to a couple with no children. Chances are they are probably trying and nothing has happened yet. Why increase their anxiety?
Do you have any plans to assist them financially when they do have kids? Do you know how many women you have sent to tears with this stupid question?
A woman saw it fit to ask another woman without children: ‘what she was waiting for to have children’, this woman had had it up to here with these veiled nosiness that she retorted “I am waiting for your husband to come and have sex with me so I can conceive” and then she stormed away! I think she deserves a medal for that clap back.
It is not ok to argue with people on the number of children they should have. “Ah ah! Only two girls? You need to try for a boy.” #“God forbid, don’t say that you want only one child.” PLEASE MIND YOUR OWN CHILDREN!!!
If you do know a couple with fertility issues, UNLESS they have asked you for advice, please do not offer any. Especially if you did not have fertility issues at any point in your life. Do not suggest herbs, men of God or hospitals unless they come to you. Do not ask them “How far?” or starting lambasting them with prayers. Be a quiet praying distant support till you are drawn in.

#3. If anyone tells you they are trying to lose weight, be sensitive. Do not say things like: “This one you are disturbing yourself will not work o.” or “You have not lost any weight today.” Or “It is like you are putting it back on.” Or “Don’t lose more than this o, you will not be fine again. If you cannot encourage by saying positive things then don’t say anything.

#4. Do not ever say “Why is this baby so small? Kai, he is small for his age o. Is he eating? Give him Ogi and fertiliser…” to a mother.
I tell you that she knows this already. Most likely, you will send her to the hospital extremely worried. The parents may be battling a condition with the child they do not want to disclose.
They may even be on top of the situation with medication and other things. Do not push them over the edge. And seriously folks, are we all supposed to be the same size
Unsolicited parenting advice and criticism from strangers is annoying. “Why is she still wearing pampers and using a pacifier?” “Why are you still backing this old man?” “Why are you using oyinbo carrier and not putting her on the back the African way?” Please stop this!

#5. Never EVER say “Your Spouse is finer than you.” So what if he/she is? Excuse me? Of what use is that statement? So what do you want him/her to do? Have plastic surgery? Divorce him/her and stay alone with his/her ugliness? Hand him over to you that deserves a handsome husband/wife?

#6. Do not walk up to anyone you have profiled and begin to sell herbal weight loss concoctions to her/him. This happened to a friend sometime ago. Someone randomly approached her to sell tummy blasting herbs to her, She told her She was pregnant and enjoyed seeing how shamefaced the seller was as she left.
My friend was only pregnant with the joy of the Lord

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Those points OP mentioned above are really not wrong in Nigeria, what makes them wrong is saying it the WRONG way trying to cook something out of them and it is mostly common with URHOBO Women... Them go course you indirectly sotey you go sob and ask ''Oghene, what have I done...?''

Never tell a guy with a small preek he has a small preek

Never tell a lady she has small boobs
She already know

Nice post . But try arranging it by including paragraphs , to deliver a neat article.