Tmi question (sexual)

Me and my fiancé have two kids. Daily sex before , and for the past couple months .. It's once every two weeks of I'm lucky or if he's drunk.
Finally had sex couple nights ago. 
He says he doesn't masturbate or cheat .. 
But after two weeks of no sex his balls were loose and small.. (Before he came)
What do I do.. 
Or what do I think
(Please don't scare me into thinking he's cheating ) :(

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