This means 意识到自己在…… (to realize that you are in a particular situation or place, or doing a particular thing, when you did not intend to).

• He’ll find himself with no friends at all if he carries on behaving this way.
  如果他继续这样下去，他会发现自己一个朋友也没有。
• We fell asleep on the train and woke up to find ourselves in London.
  我们在火车上睡着了，醒来发现自己在伦敦。

This also means 寻找自我.

He spent a year in an ashram in India to find himself.
他花了一年时间在印度的道场寻找自我。