The speaker expresses a common fear about marriage, seeing it as a restriction that limits freedom. The term "ball and chain" symbolizes this fear, suggesting a sense of losing independence. The idea of wanting freedom makes marriage seem undesirable to them.
However, upon reflecting on their feelings for someone special, the perspective shifts. They realize that true love and a committed relationship can actually provide a sense of liberation and security. By sorting out personal issues and having a loving partnership, marriage can create space for pursuing other aspirations in life.