Tease him further.

"Oh?" you murmur in a low tone. "Are humans really so blind to dwarven pleasure?" You get out of your chair, and make your way over to the slightly embarrassed man. "Perhaps, you could show me?" You take the teasing further by placing your hand on his meaty crotch. "Uwa- er. Kid, what're you doin?" He's clearly a little frazzled, but certainly has a bit of fire in his eye. "You talk a big game, but when I show a little interest, you get all flustered. Are you sure it's not dwarven impotence that's the cause?" You continue to kneed at his quickly hardening erection, feeling it's thickness through the rough material.

"Don't mind me. Finish your tea." After saying this, you squat down underneath the short table you were both sitting at just a little while ago.

Underneath the table, you make quick work of the buttons on the dwarf's pants.