A starting point through your Sun signs
Direct expression meets sensitivity to the feelings within an atmosphere. With different speaking speeds and levels of intensity, a brief explanation of your intention may help.
Consider Aries's Decide what you need in order to begin alongside Pisces's Adjust to the situation. Differences between Fire and Water are treated as different conditions to clarify when choosing, rather than as judgments of personality.
As romantic partners
As a starting point for a close relationship, consider Aries's approach Reduce one unstarted task to something you can try in 10 minutes. Before adapting to the other person, you can also share one thing you would enjoy doing together.
For Pisces, add Turn one feeling into a sentence expressing a concrete wish as another starting point. If both approaches are difficult to satisfy at once, take turns proposing the first idea and asking about the conditions.
Sun signs are compared here. This is a reading for discussing the direction you want within a relationship, rather than a romantic assessment that assumes your actual Venus or Mars occupies this sign.
Making enjoyable time as friends
For plans with friends, Aries could try asking What needs to be decided before you can act?. You can also vary whose decision-making approach you use first according to the task.
From Pisces, you can bring the question Which changed conditions would prompt you to reconsider the plan?. Keeping the conversation about enjoyable possibilities separate from the discussion of actual dates may help you avoid committing on conversation alone.
Sharing the process as colleagues
From the perspective of Aries, Before starting, agree on the scope of this trial and the points where you will consult each other.
From the perspective of Pisces, For work whose conditions change along the way, put settled points and points for review in separate columns. In shared work, you can take separate responsibility for proposing ideas and checking the conditions for completion.
Alongside the signs, use actual experience and currently available time when assigning responsibilities. For your next task, record on one page the conditions under which both of you would call it finished.
What to ask again after a misunderstanding
Before the conclusion, explain the care behind your words and allow an unhurried reply.
When different proposals arise, ask which conditions each person considered first before choosing a conclusion. Put what mattered to the other person and what you can change on the same page.
For your next discussion, What needs to be decided before you can act? and take turns asking Which changed conditions would prompt you to reconsider the plan? as a way to compare how you each choose.
What an individual birth chart can explore further
Sun signs alone do not establish the actual angle between two Suns. Their degrees may be far apart in the same sign, or form a close conjunction across neighboring signs. A birth-date reading separately checks degree relationships involving the Moon, Mercury, Venus, Mars and other planets, together with alternatives when the time is unknown. For your present discussion, Aries's Reduce one unstarted task to something you can try in 10 minutes and Pisces's Turn one feeling into a sentence expressing a concrete wish can also be compared with both natal charts to explore where your uncertainty lies.