It's ok. That guy thinks everything posted on the internet has to be true.
I had a 19 year old looking nurse too. I was nervous and it was cold in there.. Not my finest showing moment if you know what I'm saying. But I'm a happily married man so I wasn't all that concerned about...
What he said. "Started" is a variable term.
GO work the dogs and spend time with them. The benefits of getting an older/started dog is that you get to see the personality and behavior of the dog and determine if its a good fit.
Go shoulder (shoot, if you can) all 3 of them and buy the one you like. All 3 are nice guns. All 3 will have some good and bad reviews. All 3 will have some lemons.
I like what the @chemist said. I would go to Inukshuk food and see if you have better results there. And definitely move your feedings to once a day, in the evening, with a lengthy amount of downtime afterwards.
Another tip that might be helpful, try floating his food with water. Some...