?? ANYONE...breeding high strung bitch

Had prblm last year trying to breed my bitch, she doesn't flag (I know she SOULD BE) DUCT TAPE BREEDING STAND, ETC. SHE will squirm growl even choked herself out once, she's calm up until the male attempts to mount and all hell breaks out and the male loses interest and wants to party and growl now himself, IS THERE A SUPPLEMENT I CAN GIVE MALE THAT WILL MAKE HIM WANNA MATE NO MATTER WHAT?, Like a male viagra or something please help, 8year old jeep/midnightcowboy

Easy Answer

Give your bitch a valium, bitch will be knockedout. Then he could do his business.