Yes yes and yes! I totally agree with you and have also had a lot of the symptoms you mentioned. In particular, I definitely agree that the symptoms "morph" and change over time.
The sinus issue may also be a yeast issue. I know that several people with Lyme have had this and it's directly related to candida. And sex drive . . . lol what's sex? I think I've forgotten.
Here is a link to Dr. Burrascano's treatment guidelines - this is an excellent document and was really helpful to me.
Also, I'll cut and paste here his checklist of symptoms...
Have you had any of the following? CIRCLE ALL YES ANSWERS
1.Unexplained fevers, sweats, chills, or flushing
2.Unexplained weight change- (loss or gain- circle one)
3.Fatigue, tiredness, poor stamina
4.Unexplained hair loss
5.Swollen glands: list areas_________________________________________
7.Testicular pain/pelvic pain
8.Unexplained menstrual irregularity
9.Unexplained milk production; breast pain
10.Irritable bladder or bladder dysfunction
11.Sexual dysfunction or loss of libido
12.Upset stomach or abdominal pain
13.Change in bowel function- (constipation, diarrhea)
14.Chest pain or rib soreness
15.Shortness of breath, cough
16.Heart palpitations, pulse skips, heart block
17.Any history of a heart murmur or valve prolapse?
18.Joint pain or swelling: list
19.Stiffness of the joints or back
20.Muscle pain or cramps
21.Twitching of the face or other muscles
23.Neck creaks and cracks, neck stiffness, neck pain
24.Tingling, numbness, burning or stabbing sensations, shooting pains, skin
25.Facial paralysis (Bell's Palsy)
26.Eyes/Vision: double, blurry, increased floaters, light sensitivity
27.Ears/Hearing: buzzing, ringing, ear pain, sound sensitivity
28.Increased motion sickness, vertigo, poor balance
29.Lightheadedness, wooziness, unavoidable need to sit or lie down
31.Confusion, difficulty in thinking
32.Difficulty with concentration, reading
33.Forgetfulness, poor short term memory, poor attention, problem absorbing
34.Disorientation: getting lost, going to wrong places
35.Difficulty with speech or writing; word or name block
36.Mood swings, irritability, depression
37.Disturbed sleep- too much, too little, fractionated, early awakening
38.Exaggerated symptoms or worse hangover from alcohol