Sadly, if your wife is MLC, gear yourself up for an OM. There is a very high likelyhood of one happening, just based on how many other people who post here have gone through one with their spouse.
Does this sound like one? (shrug)
Should you confront your wife? No, you have no concrete proof.
You want proof? There are key logging elements out there including hardware that will show you everything that happens on a computer.
Do you want the proof? Can you handle it?
Prepare yourself for an affair.
It is a suck answer. Sorry.
Experience is a brutal teacher, but you learn. My God, do you learn. - C.S. Lewis
Life is usually all about how you handle Plan B. - Jack3Beans
Listen without defending; Speak without offending - FaithinAK