Hope I'm not too late to add something....
Just for Eevee to read....
Spoiler:
while out and about with puppy and Matt, Eevee should every now and then, grope their cocks through there trousers (obviously doesn't have to be overtly public, can choose time and place when unlikely to be noticed)
Also I hear you are going to theatre... Have Matt put a coat or top on his lap, his fly must be unzipped. Then a few times during the show Eevee should stick her hand under coat/top through zip and stroke Matt's cock a bit ;)