Hi Karl - Welcome to Pherotalk. 
You have gven us very little to offer advice on as far as pheros go but if you have a read of this. you can add some more - which will also earn your GC:
https://pheromonetalk.com/t/how-do-i-qualify-for-a-25-gift-certificate/19934
Also have a good look at and digest this thread well:
It has all the basic info you need to get started with choosing and using pheros effectively.
As for the situation with your wife. If you feel you just need to enhance things in the bedroom, TUTH is a stalwart, designed for the purpose.
However, if there are deper issues, you may need to consider the socials first - Notably IH, which in relationships helps to promote/restore closeness and bonding, or IS, which helps to lift the mood and promote the all round feelings that may also have settled back.