I know that this character is heart because the top part of the character looks like a heart, and then the bottom part is not only the heart radical but also looks like veins and arteries flowing out from the heart
Ok this might be a bit of a stretch but imagine the 自 on top of the character as your head cause its YOUR (自己的）head RESTING on top of the heart radical.
There is a box shaped radical ontop of the heart radical, so there is a weight on your heart and you need to REST.
the upper part of the character is ‘RESTING’ on top of the Heart radical.
the heart radical is being pressed down by the upper part, so the hearbeat becomes slower. as a result, you rest.
I know that this character is heart because the top part of the character looks like a heart, and then the bottom part is not only the heart radical but also looks like veins and arteries flowing out from the heart
Ok this might be a bit of a stretch but imagine the 自 on top of the character as your head cause its YOUR (自己的）head RESTING on top of the heart radical.