I think this can go either way and depends heavily on the past 'loves.' If you fell in love with someone who treated you horribly, then it just leaves you angry, untrusting, and somewhat jaded which can leak into future relationships. Some claim this made them a stronger person, so it just depends.(But I think it weakened them in certain areas until God heals them). In this case, I'd think it would have been better to never have loved.
i agree deffinitly with the above however ive not given up on finding true love just much more cautious at giving my heart.