I need urgent help

[i need help]

So I know I have done a few posts recently on my account regarding the same thing but please read through and help me I am a 14 year old boy who keeps getting these thoughts I get this feeling that I don’t believe in allah and when I read my shahadah I feel as if I don’t believe after every thing to do with science I doubt allah and when I went to a gathering with a prophets bloodline I doubted what he said and I don’t want to I had these bad thoughts about him too but I read my shahadah I keep getting these thoughts that I don’t believe how do I know if I believe I read my namaz I read the shahadah a few times a day I always read a before eating I always say bismillah and I am thinking of this always I want to know if I’m a believer on not please can someone answer this too am I believe and what is shirk like is it when we completely believe that allah is not real or how do you feel and think when we have done shirk

['Abdullah]

So I know I have done a few posts recently on my account regarding the same thing but please read through and help me I am a 14 year old boy who keeps getting these thoughts I get this feeling that I don’t believe in allah and when I read my shahadah I feel as if I don’t believe after every thing to do with science I doubt allah and when I went to a gathering with a prophets bloodline I doubted what he said and I don’t want to I had these bad thoughts about him too but I read my shahadah I keep getting these thoughts that I don’t believe how do I know if I believe I read my namaz I read the shahadah a few times a day I always read a before eating I always say bismillah and I am thinking of this always I want to know if I’m a believer on not please can someone answer this too am I believe and what is shirk like is it when we completely believe that allah is not real or how do you feel and think when we have done shirk

You have asked this question several times and many gave you some suggestion which help to get rid of waswasas. If this is not helping then let's look at this in another way. If you don't believe in Allah, who do you think you should believe? Is there any God or you and this entire universe came into being by itself? Let's take this as one question at a time.