>>121518
Keep going to different doctors until you find a useful one.
Insist on seeing a urologist. If you really can't, then pay for a private one - it might be about 150 for a half hour consultation.
Have your scrotum/testicles scanned with an ecography/ultrasound to look for varicoceles, meaning dilated blood vessels in the scrotum.
Have a full blood hormone panel done. 700 isn't low, it should be fine for normal function and libido. Then again, it depends on a complex balance between the hormones, including your oestrogen to testosterone ratio.
How sudden was the change? Within months, within weeks or days or hours?
How much smaller are your balls now, are the testicles themselves smaller, or just your scrotum tighter to your body?
The blood test should include TSH, FSH, LH, T3, T4 which are thyroid hormones, testosterone, free testosterone, oestrogen/estradiol, prolactin.
Also ask for DHT if you can, it isn't usually tested, but it is useful to know.
There are possible treatments, but you need to see a good urologist. Really, 9/10 of them might be useless.
After you see the urologist and have an ecography of the scrotum and the blood test, ask him whether you should see an endocrinologist, a hormone specialist.
You have to be insistent anyway, because they will automatically say things are "normal" no matter what, you have to push, politely and say it is really affecting your life and you want to find out what it is an cure it.
If they don't have an answer, ask them to recommend someone who might know more information about your particular problem.
An example, an endocrinologist/urologist will say blood results are 'normal' when they are in the average range. As in, 300-1000. So if you have 301, he'll say normal. Not very helpful.
Ask to have a morning erection test done, they leave either a machine testing your dick for expansion during the night, or use a paper band for the same thing.
Most importantly, lack of morning wood/night time erections is a clear sign that something is wrong physically/hormonally.
It proves it isn't psychological.
Depression can affect your hormones, lower your testosterone and kill your libido, but that's clinical depression. It still shouldn't affect morning erections, as that is an autonomic response.
You can read about 'hypogonadism', to gain some insight. I'm not say it is that, but it is a possibility.
Make sure you are eating enough calories and protein, plenty of dark green vegetables, nuts and seeds, and are having plenty of sunlight every day, 30 minutes at least.
Keep lifting, more muscle means more testosterone produced.
Last thing, try to give yourself an erection for at least 10 minutes a day. It is important to keep the oxygen rich blood flowing through the tissues. You don't have to ejaculate, but maybe ejaculate once a week to keep things running.
Vitamins/minerals you can take are:
vitamin D3, zinc, magnesium, B complex, vitamin C.
Be persistant about finding out what it is, and don't take no for an answer.
Also, stay away from any drugs that can affect your hormones, such as steroids, hair loss drugs and so on. They can ruin your endocrine system.
Treatment might be to take HCG for 5 weeks to kick start your endocrine system, or take Clomid, or some other variant depending on what the results are.
Do not let them put your on testosterone therapy, because that will keep your on it for life, and shrink your balls even further, making you sterile. Fuck that, if they suggest it just say no thanks and that you want to find a real treatment.