READ books about how to be the best lover ever (including books by women, since they know what they are talking about) ... and don't worry about it. Just use a condom and find women willing to give you practice!
https://www.amazon.com/Respect-Inti-Chavez-Perez-audiobook/dp/B07VQLSZR1/ref=sr_1_3?dchild=1&keywords=books+for+guys+about+sex&qid=1624722309&sr=8-3
https://www.amazon.com/She-Comes-First-Thinking-Pleasuring/dp/1788164032/ref=asc_df_1788164032/?tag=hyprod-20&linkCode=df0&hvadid=519541282464&hvpos=&hvnetw=g&hvrand=6384101609270892034&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9008135&hvtargid=pla-818433233693&psc=1
https://www.amazon.com/Joy-Sex-Ultimate-Revised/dp/0307587789/ref=sr_1_1?dchild=1&keywords=The+Joy+of+Sex%3A+The+Ultimate+Revised+Edition&qid=1624722480&sr=8-1
https://www.amazon.com/Becoming-Cliterate-Laurie-Mintz-audiobook/dp/B074NBD66K/ref=sr_1_1?dchild=1&keywords=Becoming+Cliterate&qid=1624722607&sr=8-1