Yes, the sentence is grammatically correct. It expresses a wish or desire that the speaker always has enough money to provide for their partner (referred to as "my man").
Possible rephrasing options include:
1. "I hope I will always have enough money to support my partner."
2. "May I always have sufficient funds to care for my man."
3. "I wish for an endless supply of money to take care of my man."
4. "Let me never be without the means to


