The 7 worst mistakes you can make in your 30s

Your 30s are typically a time for settling down after using your 20s to take risks and find yourself.

Many 30-somethings are busy rising through their work hierarchy, developing a serious romantic relationship, and possibly raising a family.

Those who have already been through that decade say that as their responsibilities accumulated, it became easier to neglect relationships and ignore opportunities that they would never get again.

Quora users discussed lessons they learned in the thread: "What is the biggest mistake you made in your 30s and what did you learn from it?"

We've collected some of the most insightful responses.