Is this the end of my marriage?

[P17]

I didn't want to add this to Sandi's post, so I thought I'd add it here.

My D told me last night that my W was looking for tweezers, said she was going to my office, disappeared for 5 minutes, went back to the bathroom (where my D was having a shower), said she was going to make a phone call and then went into the hall for two minutes on the phone. Sounds fishy.

Her claim that she was looking for tweezers is just implausible (why would I have tweezers in my office and as a woman who carries everything around with her that she would ever need, she would have them anyway). I asked her about it today and she said she was looking for tweezers and wasn't snooping. Gut says she's lying. So I can't trust her in the house herself.

She could have been going through my bedroom to see if there is any evidence of another woman (there's not as I don't have one). But nothing in the bedroom or the office looks like it has actually been moved.

I also heard through the grapevine that the sun has well and truly fell from her behind in work - her own staff are bitching about her now which is unheard of! They were overheard saying 'she has changed' and 'we can't do anything right for her'.

Finally, I also suspect she is starting to drink heavily. This is just a gut instinct and 2 and 2 maybe making 5, but the gut hasn't been wrong yet. The OM is a heavy drinker as is her mother. She also has an addictive personality.

I wanted to run this past you guys as if I hang off on the letter I need to establish a boundary - she doesn't go into ANY room where the door is shut (which is why the door is shut). I actually thought that would be common sense especially after our talk about building up trust again.

Suggestions?