Hi Alessa,
Yes, eHarmony is safe and private. Only your matches see your profile (on all other sites, anyone can browse and see your profile). If you ever have questions or concerns, our Customer Care team is available 24/7 through the Help/FAQs link: eHarmony Support Home Page. We encourage all members to become familiar with our Safety Tips: eHarmony #1 Trusted Relationship Site Move Beyond "Traditional" Online Dating.
The search for a relationship may sometimes involve disappointments and rejections along the way, but remember that it only takes one, and now we know that an average of 542 people a day, average, get married through using eHarmony!
You may enjoy this informative article to help you know what to expect from the eHarmony process: Online Dating: Top 5 Tips for Using eHarmony
-Jack