What are your thoughts on combining weight lifting and cardio?

So I already do both. Weight lifting in the morning on a push/pull/legs split... and then basic bitch zone 2 cardio on the treadmill (3.5 MPH with an incline of about 14% for 1 hour).

I'm thinking about just adding the cardio to the end of my weightlifting to get it over with and stop having to take so many showers all day.

I'm starting to think all the online gurus that worry about over-training and loss of gains are just some pussies. At most it's only 2.5 hours of physical movement, and I've done way worse when I was in the military. Is it really a bad idea... or are the online gurus just a bunch of pussies?

What are your thoughts on combining weight lifting and cardio?
What are your thoughts on combining weight lifting and cardio?
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