That's why young people who are still single should set their priorities right before getting married. They should attain certain level of financial stability before getting married. If you allow yourself to be forced into marriage without adequate planning, you might be forced to sell off your bitcoin holding which you bought as a young and single person.
Yes, if a person plans to hold bitcoins or starting DCA during the time he is single, he can definitely benefit in the long run. Every person should make a prior plan to manage their life, especially from the financial point of view. One can accumulate as much bitcoins while being single but that may be difficult when one is married. Moreover, those who want to be economically successful should focus on their financial side according to prior planning. I think singles or those who focus on bitcoin savings before marriage can be financially independent in the long run. Although Bitcoin does not guarantee profits but in the long run Bitcoin holders never lose.