Is this true about a faint liine on a pregnancy test?

Took a pregnancy test this happen before* ugh my stomach growing I feel the baby my boyfriend mom said I look about 4 5 6 months smh like omg i. Hav all the symtoms such as peeing more eatting gaining weight pregnant stomach thumping in my stomach clear liquid in my breast sometimes I been taking prenatal it produces my liquid in my boobs more and make my nails and hair grow ugh took a test jun 30 came positive but one line faint this not the first time this happen to me iam 17 and its like my hgg pregnancy hormone never show right then and there it changes I heard and doubles up as well I took the test on jun one darker then the other its like the other one trying to get color but u know its there it will get darker cause ugh last time I took 5 pregnancy test the kept coming out no but wit a faint line so I threw all away and kept on n d trash I look back about 2 3 weeks later it shows cleary looked it up its normal?because the urine on the stick I guess by it stayn in the trash with the top it became stronger in shown one was a dark pink the othe hot pink! This was in april...plz help I know iam not tripping I know I'm pregnant just tell me if I'm going nut for coco puffs lol