jbjb stop embarrassing yourself.

Take a die and show it with a 2 on top. The other five faces on that die are now excluded.

Take the second die and examine it. It has six faces. One of those six faces will match the two.

Now, let's take your stack of suited cards.

Select one of the six spades. By choosing one spade you eliminate the other spades from consideration. In fact, you said that in your own writing.

Now, you have six hearts. One of those hearts will make a pair with the spade you selected.

If you don't understand this, you've inhaled too much smoke in casinos.