I loved it, but nothing gets 4 stars - ever!
John Krasinski (as writer/director/actor/producer) has NO right whatsoever being that good-looking, talented, generous AND married to the beautiful, funny and all-around amazing Emily Blunt - all of which makes him, hands-down, the luckiest non-Jewish white man in the known universe! I have a right to hate him for all that, but I just can't bring myself to do it.
So keep on keeping on, John, and hang onto her for dear life!