i have a 6 month old springer puppy that i am training up for the gun, a few weeks ago her training was going really well, she would come to the come whistle most the time and generally stay tight to me. But recently i have noticed she is more interested in running off and exploring than focusing on me when i give the come whistle in the garden she comes every time but in the field she wont listen, i give her 3 chances and act on the third (i.e. catching her and checking her) which is what i have been advised to do. just curios if you have any advice that may help, thank u