Hold on to the love, not the loss.
You get better at sex when you know your own body. How are you going to expect a man to know your body when you don't know what pleases you?
The work part of a relationship is keeping it where you want it.
Staying in shape does not come easily, especially as you get older and you don't have as much time or energy to exercise.
Marriage is a commitment, so you always have to work at it.
I never had a time line for my life. I didn't say I wanted to be married at 28 and have three kids by the time I was 32.