“When the doggo hasn’t cum for a while and is very excited about sex, the very first thing is to suck him. This will calm him down a little otherwise he’ll knot so hard for very long time in the pussy and cum multiple times which will be difficult
“Saw few strays fucking each other in a deserted alley. Unable to control the urges, got naked, took position on my hands & knees. Soon a stray came along sniffing, licking & eventually knotting. The best sex ever had as not only did he destroy