Yeah, both his main line and heart line are straight and very pronounced, making it look like a cut and not something natural.
Let's see what we can find out from Dante's palm... *pulls out a book on fortune telling*
Clear and pronounced main line reveals strength for overcoming obstacles. Since this is his left palm, and he is right-handed, it is relevant to his emotions. Its straight shape tells us he is a good, honest person.
Life line is clear and without breaks, meaning a healthy life. Length of life cannot be determined from this line, despite common belief.
Heart line starting from the Jupiter's hill reveals his attitude towards love and marriage is too romantic, and that he could be more sensitive than others to emotional pain, cause they expect too much. Good news is that he doesn't seem to lean towards jealousy.
His heart line is quite high on his palm, so his approach to his emotional life will be more logical and intellectual, in other words he will have feelings but will be less open to expressing them. From its straight shape it also seems he will put his career first.