As a Fire Sign, Aries tends to be more proactive as a leader in any situation. You show your ambition, motivation, and passion in most situations as you dive headfirst into any project to get the best possible results. You blindly show leadership and take control of any situation without any doubt, which is why it is so important for you to be optimistic and continue to show confidence through your decisions. Leaping before you think is usually the protocol followed, which might come with some ‘lessons learned’ moments throughout your life. As a result, you believe you are usually right in the moment; therefore, some selfish tendencies might develop if not careful. Also, Aries have quite an explosive temper, so others might want to wait until you let the steam off before approaching you.
Geminis are usually interested in many different areas, to the point where they feel like they have to clone themselves. From this duality, the sign Air sign is usually seen as two-faced, however, that is far from the truth. You do not have a hidden agenda, in fact, you are usually playful and curious about the world. You are also continuously juggling your work, hobbies, friends, and family, which is why you usually do not have enough time to sit and maybe watch a movie. You feel like there always has to be movement around you. As a Gemini, you also love to express your emotions externally. If you have anything to say, you definitely will not dwell on it, but in fact, you will come out and express yourself. Through this expression though, you have to think long before stating your thoughts as you may hurt others’ feelings at times. This is bound to happen since Gemini loves to talk on social portals such as Twitter as much as they like to talk in real life.
Aries is quite physical while Gemini, you are very verbal through your expressions. The negative side of this is that there will not be many things in common between you as siblings. However, there will be less competition in this relationship, leading to less disputes. Gemini, you will be the "caretaker" or the one seen as the older sibling (regardless if you really are or not). You will want to leave your bubble and explore places as well as make connections with as many people as you can. Gemini will help Aries make more connections, whereas Aries, you will make sure that the connections are to both your advantage when you see fit. This will create new experiences that will come in handy in the sibling relationship as well.
Adventure is the strength for both signs, even if those adventures are different. Aries prefers exploring the world while Gemini expresses themselves through words so meeting new people would account as new adventures.
The signs have different interests which might break you apart for a good portion of your days. Aries, you are more focused on sports and strategy games, but Gemini prefers technology and word games.