I don't. They come and go. That's what feelings do.

It has helped me to develop trust that they will come back. Trust that the feeling of love exists even when it isn't experienced. When you look back over the entirety of your relationship you wil be able to see that the feelings have always come, and always gone. Because that is what feelings do. No feeling stays all the time. Ever.
But every time the feeling has faded and anger or disconnection or insecurity has taken its place, that feeling too has only been temporary, and the feeling of love has always,, always returned.
The thread of love runs through everything. Your T has always held you in love. She always will.
Even when the feeling of love fades and another temporarily stands in its place.