New stamps, please share with us and highlight the changes from old stamps.
Without knowing dates but if you went in 4 days after your admitted until date you get fined overstay, staying in a hotel room does not give your leniency about visa rules and regulations.
It seems you are good to stay until Feb 23, as that is what you wrote, I not understand why you need to leave before that date.
Inform Immigration at application that your wife will not be at home or even in country during the visit. The purpose of the visit is to meet you both at the address to see if you life together.