Pls help!!!!feeling demotivated

I am preparing for jee 2026 i didnt waste my whole 11th i studied but just couldn’t understand anything in cosching for 4-5 months..11th was not at all good ….then october i started seriously studying since i started studying with seperate home tutors…now im studying 8-9hours daily properly im still completing 11th portion…havent started 12th yet…im not good in maths..so my math tutor kind of demotivate me ki nhi hoga toh chod do bas cet krlo(my main target is mains nd advanced 😢) nd then they also adviced that dont take drop nd zaruri nhi he advanced krna….i felt kind of bad when they said that i feel they dont think i can do it since i started late abd now im overthinking about that…im studying almost the whole day and practicing questions properly :(…do u guys think its possible for me to do mains nd advanced??…should i increase my studying time or do something different???plz give advice