Dear Welcome to HCM We understand your concerns I went through your details. First of all, you have not given your age. I see you are too much worried about your penis and sex. Due to such a worry, people usually have obsession with such matters. Your tingling should be due to your obsession. The time taken to have full erection depends on many aspects due to stress level, sexual interest, anxiety, fullness of stomach etc. You need to watch you. Even though you are having delayed erection, I hope you are able to perform all sexual acts without much problems. Then there is nothing to worry. Please understand, worries tends to be obsessive and obsession leads to performance anxiety. Performance anxiety can ruin your sexual life. Please beware. You may consult a psychologist for counseling. If you still need my assistance in this regard, please use this link. http://goo.gl/aYW2pR. Please remember to describe the whole problem with full detail. Hope this answers your query. Available for further clarifications. Good luck.