I am struggling with lust

Hello I am a croatian guy 20y old and i am struggling with lust, i feel bad about it becaouse Christ sufferd for me and I do that. Everytime i stop doing it God puts me through a test and i fail everytime without a fight i am so weak i am nothing without christ jesus but i cant get to him i dont know how to pray how to fight with him by my side. I dont want to disappoint God anymore. Any advice on how to get closer to God how to pray, i am chatolic by the way. I feel, in fact i know satan is puling strings here i am falling for it becaouse i dont pray i always dodge it idk anymore my soul hurts and i love god but i feel like i am not god enough for him and i keep sinning. Thank you to anyone who reads this. God bless.