Anxiety Support Group
Anxiety is a physical condition marked by intense and persistent feelings of distress, fear, angst or dread. General anxiety caused by routine day-to-day stresses usually passes quickly and is experienced by almost everyone at one time or another. However, such feelings that linger over time and are very difficult to cope with, and which lack a clear cause, may indicate...
Your brother may well be trying to save you later distress by defending you against enthusiasm, which can be a dangerous article in young people who wobble, or who go from one extreme to another.
So he attempts to temper that enthusiasm with some reality before any disappointment and attendant crashing and burning can take place.
If you temper your enthusiasm in front of him, he won't have to do it for you. Try not being enthusiastic about your next activity, try taking it slow, being low key, and see what happens.
Motivation is like steam. If you release it, you lose it.
If you need it to fuel you, you have to keep it inside. If I told you 'those that talk, never do, and those that do, never talk' you would have heard that wouldn't you?
Not talking about a project can be a very solid place to stand on when you want to complete that project. All you can do by talking, is reduce it, taint it, open it to criticism or objection. Remaining silent to use that power is one of the tricks of adulthood. :)