Shower feeding dressing walking cleaning
Answer: The only way to have intercourse safely is to use protection, and even sometimes its not ultimately guaranteed the woman won't become pregnant. If you don't use protection, the woman is most likely going to get pregnant, so either use protection or just don't have intercourse at all. Also make sure you are mature and old enough to have intercourse in the first place.
I'm pretty sure I that it depends on the tide of the water. When it's low tide you can go deeper in the water when it's high tide you can't go that far without touching the ground
Just be friendly, kind, helpful and a good friend. This will build friendship leading to a person trusting you more. Maybe share a smallish secret with them as well.