Think about versus Think of

[Van Khanh]

Please read:

1.Hardly a day goes by without my thinking of her.
2. Hardly a day goes by without my thinking about her.
3. I think of her almost every day.
4. I think about her almost every day.

These 4 sentences have the same meaning?

K

[Yankee]

.
Think about sounds like longer, more active thinking and think of might be just a quick thought.

Otherwise, there isn't much difference between the sentences.
.
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