You don't like women wearing high heels, then don't date women that wear high heels.
I've said this before and will say it yet again. If you are dating a woman for any length of time she knows what you like and don't like... you don't have to tell them, they know. Sane women, by and large, are more intuitive than the average sane man. This is why the average woman gets p1ssed off when you cannot read her 'signs' that she is not in the right frame of mind. They do not understand why the average man cannot intuitively decern her emotional state, because to them it is second nature.
If she stops doing those things you like and starts doing things you DON'T like, then you are on your way out. If this happens than do yourself, and her a favor, and just dump her and move on.
Don't try and change her... don't have 'talks' with them... assume she knows exactly what is going sideways and knows what she needs to do to right the ship. You have to put the burden on her because she is going to tell you what she needs... it is a lot more efficient than the man twisting himself into a knot trying to figure her out. The fact that she isn't tells you everything you need to know. Now if she comes to you and tells you WHY she is losing interest... then fine... figure out what she needs from you and YOU get to decide if what she is negotiating is worth keeping her. If her price is too high... go find another woman.