Hajj & Umrah

Q: I am going for umrah in April and I have a problem that after finishing the urination, I still dripping for a while so I would like to know that if I can wear an underwear to hold on?

Q: Why are non muslims not allowed to visit Makkah and Madinah which is a holy place of Islam?

Q: What to recite during tawaaf of umrah and sa'ee? Tell me in detail any duas.

Q: If the husband kisses the wife without passion during ihram, what penalty must he pay?

Q: Can zam zam water be drunk with meals? Does one have to stand when drinking zam zam water?

Q: Do we have to drink zam zam water standing up facing qibla?

Q: If a person lives in the premises of the meeqat like Jeddah then is it obligatory for them to do tawaaf of the kaaba on every visit if not in ihraam? If they go for jumua salah then they have to do tawaf or they can go only for salaah? I heard that it is the right of kaaba that if one visits it one should do tawaaf. 

Q: Tell me the best day to perform Umrah? Is it only Thursday nights and Fridays?

Q: Can one wear sandals while making sa'i of saffa and marwah. Also can one use toothpaste in the state of ihram and what should one do if one has a problem with urine drops when in ihraam?

Q: I once performed umrah when I just became baaligh. My grandparents and I entered Makkah without being in Ihraam and also I did not wear proper shoes in Ihraam. However, all of this was done unknowingly, as I had not yet been taught that. Should I still pay a dam and what should one do if one cannot afford a dam?