Please choose the correct ending to complete the given sentence: Youth: [header] How to keep friends forever [title] Talk at least once per week. [step] Keep in regular contact with you friends to maintain the relationship. Try to call at least once a week to chat with them and check-in.

Ending1: By talking once weekly, you will ensure that you don't miss any important news or updates that your friend might have. Text throughout the week and share funny stories or updates. Ending2: [substeps] One study shows that increasing the frequency of phone calls with friends is a sign of dependency. This, in turn, encourages them to communicate more frequently and make these calls private. Ending3: [substeps] You could go out for coffee once per week, consider getting together once a week after school or on tuesday evenings. Just make sure not to turn the conversation into a vicious cycle. Ending4: Spend time together regularly when you're apart to keep things interesting. [substeps] You may find that checking in with you friend can make the relationship feel stronger and more appealing to your significant other.

Answer format: ending1/ending2/ending3/ending4