Problem: How to get over a guy who is using you for sex
Stop contacting him.
If someone is clearly only using you for sex, you should not keep reaching out to them. If more of a relationship was going to develop, it would have by now.

Answer: Once you realize you're not getting what you want from a situation, stop contacting the person in question. Do not see the person at social events, text him, or call him.

Problem: She grabs a shovel and walks away. We see the lady sitting and laying on a chair and reading. the lady

Answer: is outside shoveling the snow and talking.

Problem: How to build a survival shelter in a wooded area
Know that there is nearly always a way to build a shelter in the wilderness and that it is not very hard to do.
If it is night, don't move from where you are.
It is very easy to get lost in the dark, and being separated from the area you do know can be even more frightening.
Answer: Find an area clear of large rocks and roots. Building your shelter in a ditch is a good way to stay out of the wind, but rain might make you wish you had dealt with a light breeze.