Relationships with big age difference (in my case 30 years of difference)

D • Creative, always trying for self improvement and development, open minded
I live with a men, who is at age of 50. I'm just 22 , but no matter the enormous difference between us we don't have arguments and our lifestyles and points of view are very close and the communication between us is at very high level. 
I hope it doesn't seem to be too overconfident, but I was pressured to grow up very early and my experience is a lot for my age, maybe that's the reason why My relationships with older men are very harmonic. 
I live with my guy for one year now and the things between us are going very well, but I started to notice that he just doesn't have the motivation to fight for me and to make me feel like loved and desired woman. That makes me fell sad and a little bit lonely sometimes, my confidence is not like before, its way lower than usual. 
Please help me and give me advice how to provocate him into looking at me as he is the luckiest guy on earth because of having me next to him , how to get his attention to me...
I'm desperate, but I might have progress with  more clever actions.
Does anyone have any experience in that kind of situation?
Thanks girls for reading my post!
Hopefully we will have great topics to discuss!

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