hm. honestly I am coming to strongly dislike the argument that singleness is the time we're supposed to work on our walk with God and become stronger Christians. I mean I've also used it, but the more I think about it... it doesn't wash.
Yes single people need to be working on their relationship with the Lord and become the people that God wants them to be, but the same is also true of people who are dating or married. Its not like that goes out the window when we commit ourselves to someone. Or that we reach some plateau of spiritual greatness, and then meet someone, and life is perfect. Which is often how it sounds when people say this, whether or not its intended.
I think a healthy Christian relationship should have both people seeking to become the people God wants them to be, but with the added bonus of having an accountability partner who pushes and inspires the other to seek after God fully.
Sorry. I don't mean to nitpick.
I do believe that singleness can be a blessing and it is a time that God can use if we allow Him rather than waste our time being angry or upset that we haven't met anyone yet (and I'm talking mostly about me here

) because He can and does work powerfully through single people in ways that He may not with a married person. As single people we have more freedom and options to serve him than someone with a spouse or a family might. We only have our lives to worry about - we don't have to concern ourselves with a significant other or children if we feel called to venture in to DRC to be a missionary. Just as an example.
both singleness and relationships are hard lives, but both are blessings. just in different ways. and we have to open our eyes to see that sometimes.