I totally understand what you are going thru. We lost our first yorkie last year after only having LoveBug for a month she was only 3 months old that was a year ago today
then a month later I lost my very first yorkie Petree after 14 years. Needless to say last year was horrible! They found out she had a heart defect and it was the hardest thing we ever went thru. Bruiser would definately want you to get the brother and be happy again. He definately would not want to see you sad!
I will pray for you and I will ask all my little ones: Levi, Rocky, Petee, Bubbles, CoCo, Sprinkles and Snuggles to pray for you too!!