When Shaytan constantly reminds you that you have countless sins & they’ll never be forgiven, remind him Allah has 99 names & the Most Merciful is just one of them :)
You need to learn about two things before you seek love; balance and priorities. You have to understand how to balance your love for the One with the love that He has blessed you with. You also have to learn how to prioritize your time. He comes first, and everything else follows.
Ya’Allah protect my heart for the one you have destined for me.