Reasons for disliking people:

There are two reasons for disliking people:

1. Because they are too busy loving or hating themselves to care about you.
2. Because you are too busying loving or hating yourself to care about them.

I rather choose liking people because the logical variety is more interesting. 

In either reason, the cases of loving are less damaging than those of hating.

Depression is when you are forced to hate someone and the better reason is the first but you mistakenly choose the second. Luckily, this mistake only effects you internally, a realm over which you can have complete control. If you can learn to trust yourself, again.