How can a post have 2 views but 10 hearts?

Because you can heart without viewing...

They heart it as they're going down all the questions. You don't get views unless they click on it.

It doesn't actually count as a view until you go into the question or story, but you can heart it from outside.

Drive by hearting. ;)

you can hit the heart button on the feed without going to view it.

It's just on the newsfeed

I don't know

I guess some people don't want to comment...

it is very obvious, if you check it