Hognose feeding and temp questions

I got this little guy about a month ago. I have him in a twenty gal with plenty of aspen for burrowing and he is eating frozen thawed pinkies great.
1. I was sold a heat mat with him but haven't used it. Ambient in my snake corner is currently about 82.5 degrees. and all my tanks have 60 watt day/night bulbs. Is this ok?
2. He is eating one pinkie a week but it looks a little skimpy when should I bump him up to two? I haven't weighed him yet but will soon.
3. He got very defensive and struck me several times with his mouth closed last time I tried to get him out. Got any tips?

[IMG]https://ball-pythons.net/gallery/fil...bur1_0729r.jpg[/IMG]
[IMG]https://ball-pythons.net/gallery/fil...bur2_0729r.jpg[/IMG][IMG]https://ball-pythons.net/gallery/fil...bur3_0729r.jpg[/IMG]

He should probably have a hotspot of 90~ degrees on one end hooked into a thermostat. Our hognoses go there to digest after snacks.

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No it's not OK hognose have very specific requirements and while ambient can be in the low 80's you do need to have a hot spot between 90 and 92

As far as feeding they have a very fast metabolic and because pinkies are insignificant it is important to feed them appropriately (a common mistake is not to feed enough) until the animal is 25 grams I recommend to feed every 3 to 4 days, then every 5 days when they are between 25 to 75 grams and finally once a week after that.

With that regimen they usually reach 50/75 grams by the time they are a year old. (Males being on the lower side)

So I weighed and fed him today. 14g, so tiny. And he ate great even though I handled right before. When he gets to 25g, would I start feeding two pinkies at once?
Just to clarify, he does have a hot spot that usually reads around 90 on top of his rock hide. But does he need a heat mat, too? I will definitely hook it up before winter but right now my house is so hot.