Harry's like that Tinks. I have two sets of patio doors at right angles to each other and even though the one's in the dining room and the cat flap are open if the lounge one's are closed he'll sit outside them mewing to be let in!
People who are wrong are just as sure they're right as people who are right, the only difference is they're wrong
Millie is the same, sits on the front door mat when every other door in house is open, wants to go out the same way as well normally! The cat flap is not available if the back door is open because of the fly-screen door, Boots has mastered opening it from the outside if it's not latched. Has Millie you're wondering?