Is it the hormones or something else?

Backstory: TTC 3 years. Just started hormones this week, so I am a bit out of sorts... We recently started a business. I’m finishing my doctorate degree so I only work part time with the biz while he puts in 80+ hours. Meaning there hasn’t been much time for us.

My dilemma: He (CL) hired a guy (KY) from OOT. So besides his gf that moved with him, CL is KYs only friend in town. This morning I noticed CL had set out clothes, sleeping and work, on the bed but he was already dressed for work. I got up and joking asked, sleeping out tonight? This guy said “yeah, I was thinking about it. KYs gf is OOT and we were going to grill at his house and have some beers so I will just stay there.” In 5 years, CL has never stayed out by a friends. He is a 35 year old man... not normal, right? He goes out drinking with his fiends and hangs out with them to watch football/UFC/boxing and that has never bother me, especially since I don’t drink, I know it’s not fun to drink alone. I’m very easy going. He gets home late every night so I make sure dinner is ready for him, he eats, we go to bed. Every night. We haven’t spent more than an hour together since the biz started 3 months ago, bc he is so tired he can’t stay up when he gets gone. Which is expected. But now he can stay up and drink so many beers at KYs house that he couldn’t drive home? So I ask about that and he says, there are only going to have a couple, eat and go to bed, he will just stay there bc it’s 20 mins closer for the morning. A “couple” has never stopped him from driving. I asked him when he planned on telling me, and he said later on, I didn’t want to wake you up just to tell you that.... It has me so nauseas thinking about it... it’s so out of character. I just feel something isn’t right and my intuition is telling me to be very suspicious. Especially since he was so mad by my questioning him. My two thoughts are, 1) you are on hormones and over reacting and on the other side 2) put a tracker on his phone. Your thoughts? I’m going to the biz in a couple of hours for some interviews but I don’t even want to see him right now. Am I being crazy bc of the hormones or am I rightfully suspicious??