I would suggest that you try not to be envious of what other people did, and sure maybe you made some mistakes in terms of your having had a sufficient amount of information to guide you in terms of buying bitcoin, but you failed to sufficiently and adequately act.
you cannot turn back the clock, and you can ONLY go forward based on the information that you currently have ih your head (and hopefully in your ongoing studying the BTC space that also includes ongoingly actively buying BTC in a way that is sufficiently aggressive for you, but not so aggressive that you end up losing more coins than you would have had wished to have lost.
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Sometimes being envy is good. It will multivate you to aquire more skills. You Not having enough information on buying Bitcoin is never your fault. Information is a key to success. "If you are not informed you will be deformed" downfall of a man is not the end of his life. Where it becomes a problem is when he falls and refuse to rise again. "Any time a man wakes up is his morning.