Stroke order
Show the animation Stroke data from Make Me a Hanzi, derived from the Arphic PL fonts under the Arphic Public License.
Show the animation 
Stroke data from Make Me a Hanzi, derived from the Arphic PL fonts under the Arphic Public License.
How it used to be written
心
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Oracle bone script 商 -
Clerical script 東漢 - See all 25 forms
爱
These are the forms of 愛, the traditional character: 爱 is a twentieth-century simplification, found in no ancient corpus.
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Small seal script -
Clerical script 西晉 - See all 8 forms
Forms, sources and dates: the 字形演變 database of 小學堂, Academia Sinica, public domain (CC0).
Examples
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但是如果有一个人本身已经很好了，对你又是真心真意， 真心爱你，那么你真的可以把一生托付给他。
If someone is already good in and of themselves, however, and treats you sincerely and from the heart, and truly loves you, then you really can entrust your life to them.
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你不可能『得到』一段美好的感情，你只能找到一个你心爱的人来共同经营、造就、完成一段美好的感情。
You can't "get" a great relationship; you can only find someone you love from the heart, and work together with them to achieve a great relationship.
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只要你有一个心爱的人，你就有了原动力，你就能面对 全世界。
As long as you have someone you love from the heart, you have a motivating force and you can face the entire world.