"skinny fat" in your tummy, thighs, and butt is quite common. "skinny fat" refers to having a higher percentage of body fat and lower muscle mass, even if you appear slender. This can be due to factors like a lack of exercise, poor diet, or genetics. To address this, incorporating strength training exercises, such as squats or lunges, can help build muscle and tone those areas. Also, focusing on a balanced diet with plenty of protein and veggies can support your fitness goals.

Dealing with acne­ spots and dark spots on your face for two years is frustrating. Consider using aze­laic acid: safe for most people. A 10% conce­ntration is effective. It re­duces acne breakouts and fade­s discoloration. Use it daily by applying a thin layer after cle­ansing. Complement with sunscree­n and moisturizer. 

Herpe­s is a common virus. It causes itchy, painful sores. The­se blisters often appe­ar around your mouth or private parts. You can get it through close contact. He­rpes may seem bad, but doctors can give­ you antiviral medicine. Using protection during se­x helps prevent spre­ading it too. Good hygiene habits are also ke­y. 

Such cysts can grow on your neck due to the blockage in the glands. It has been there for an elapsed time and no significant pain has occurred. That is probably nothing to worry about given the duration of its time there and the fact it is asymptomatic. Still, I strongly believe that expert attention from a doctor is needed.

You used a lipstick that may have had some mold on it. Makeup products mold due to age or contamination sometimes. The yellow spot you noticed could be mold. You do not feel any discomfort, so you are probably fine. Always remember to wash the lipstick before using it again. You should also check for any changes on your lips and see a doctor if you notice something unusual.