Dye NJ Dye .. 
To loose weight is good for that person’s health also, not just for his/her looks
Get botox? .. well asking someone to take care of his/her skin should be taken in good sense but am not sure about botox
Dress certain way .. why not? My wife likes me to wear certain kind of shirts, and I go with her suggestions
Over all, I want my wife to like me more than anyone else. and If she likes me to look certain way and its not unethical then why not